{"id":253971,"date":"2026-05-26T14:40:22","date_gmt":"2026-05-26T12:40:22","guid":{"rendered":"https:\/\/sherpas.com\/blog\/?p=253971"},"modified":"2026-05-26T14:40:30","modified_gmt":"2026-05-26T12:40:30","slug":"cycle-cellulaire","status":"publish","type":"post","link":"https:\/\/sherpas.com\/blog\/cycle-cellulaire\/","title":{"rendered":"Comprendre le cycle cellulaire \ud83e\uddec"},"content":{"rendered":"<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>Notre article en bref<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <ul>\n<li>Le cycle cellulaire est l&rsquo;ensemble des \u00e9tapes de vie d&rsquo;une cellule, de sa naissance \u00e0 sa division ;<\/li>\n<li>Il se divise en deux grandes phases : l&rsquo;interphase (G1, S, G2) et la mitose (prophase, m\u00e9taphase, anaphase, t\u00e9lophase) ;<\/li>\n<li>Pendant la phase S, l&rsquo;ADN est r\u00e9pliqu\u00e9 : la quantit\u00e9 d&rsquo;ADN double ;<\/li>\n<li>La mitose produit 2 cellules filles diplo\u00efdes g\u00e9n\u00e9tiquement identiques \u00e0 la cellule m\u00e8re ;<\/li>\n<li>La m\u00e9iose est une double division qui produit 4 cellules haplo\u00efdes (gam\u00e8tes) g\u00e9n\u00e9tiquement diff\u00e9rentes ;<\/li>\n<li>La m\u00e9iose est le moteur de la diversit\u00e9 g\u00e9n\u00e9tique gr\u00e2ce au brassage inter- et intrachromosomique.<\/li>\n<\/ul>\n\n        <\/div>\n              <\/section>\n\n\n\n<p>Comprendre ce qui est \u00e0 la base de notre organisme, c\u2019est l\u2019objectif de cet article sur le <strong>cycle cellulaire<\/strong>. Tu vas pouvoir d\u00e9couvrir comment les cellules se reproduisent et permettent le bon fonctionnement de notre corps. Allez, c\u2019est parti ! \ud83d\ude80<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"le-cycle-cellulaire-cest-quoi\">Le cycle cellulaire, c&rsquo;est quoi ?&nbsp;<\/h2>\n\n\n\n<p><strong>Le cycle cellulaire constitue l\u2019ensemble des \u00e9tapes qui r\u00e9gissent la vie d\u2019une cellule<\/strong>. Ce cycle est compos\u00e9 de diff\u00e9rentes phases.<strong> <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>La premi\u00e8re est une phase de croissance<\/strong>, dans laquelle la cellule grossit et duplique son mat\u00e9riel g\u00e9n\u00e9tique. <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>La seconde phase est une phase de division cellulaire<\/strong> qui donne naissance \u00e0 des cellules \u201cfilles\u201d identiques. Ces cellules \u201cfilles\u201d reproduiront ce cycle et ainsi de suite. <\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 La dur\u00e9e du cycle cellulaire est variable. Elle d\u00e9pend de la cellule.\u00a0<\/p>\n\n\n\n<p>Ne t\u2019inqui\u00e8te pas, gr\u00e2ce aux sch\u00e9mas, tu comprendras mieux. \ud83d\ude09<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/media.giphy.com\/media\/3o7TKz2eMXx7dn95FS\/giphy.gif\" alt=\"L'ADN bleu qui s'enroule\"\/><\/figure>\n<\/div>\n\n<section class=\"relance\">\n        <div >\n                            <a target=\"_blank\" href=\"https:\/\/sherpas.com\/funnel-student-qualification\">\n                    <div class=\"relance__container\"\n                        >\n                        \n                                                        <picture>\n                            <source srcset=\"https:\/\/sherpas.com\/content\/uploads\/2023\/07\/relance-cours-particulier-1.jpg\" media=\"(min-width: 999px)\">\n                            <source srcset=\"https:\/\/sherpas.com\/content\/uploads\/2023\/07\/relance-cours-particulier-1.jpg\" media=\"(max-width: 999px)\">\n                                <img decoding=\"async\"\n                                    src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/07\/relance-cours-particulier-1.jpg\"\n                                    alt=\"Personne qui donne des cours particuliers\"\n                                >\n                            <\/picture>\n                                                <div class=\"relance__content\">\n                            \n                                <div class=\"relance__title\"> <p>Envie de voir tes notes en SVT augmenter ? R\u00e9serve un cours avec l&rsquo;un de nos Sherpas !<\/p>\n<\/div>\n                                                        <button type=\"button\"\n                                    class=\"relance__button btn btn-white\">\n                                Je r\u00e9serve mon premier cours offert !\n                            <\/button>\n                        <\/div>\n                    <\/div>\n                <\/a>\n                    <\/div>\n    <\/section>\n\n    \n\n\n<h2 class=\"wp-block-heading\" id=\"le-cycle-cellulaire-en-2-temps\">Le cycle cellulaire en 2 temps \u23f3<\/h2>\n\n\n\n<p>&nbsp;Le cycle cellulaire se divise en 2 temps. Dans un premier temps intervient <strong>l\u2019interphase<\/strong>. Puis dans un second temps intervient <strong>la mitose<\/strong>. Voici une <em>repr\u00e9sentation sch\u00e9matique du cycle cellulaire<\/em>.&nbsp;\ud83d\udc47<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1600\" height=\"1029\" src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-2.jpg?func=bound&amp;w=1024&amp;h=1024\" alt=\"Sch\u00e9ma montrant le cycle cellulaire\" class=\"wp-image-265438\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-2.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1600 1600w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-2.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-2.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-2.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-2.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1536 1536w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-2.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=194 194w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-2.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=396 396w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-2.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-2.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=577 577w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-2.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-2.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><figcaption class=\"wp-element-caption\">Le cycle cellulaire <\/figcaption><\/figure>\n<\/div>\n\n\n<p><strong>\ud83d\udc49 L\u2019interphase :<\/strong> elle constitue la premi\u00e8re partie de la division cellulaire, elle se caract\u00e9rise par un accroissement du volume cellulaire, la cellule transcrit ses g\u00e8nes et les chromosomes sont dupliqu\u00e9s. Cette premi\u00e8re \u00e9tape se divise en 3 parties.&nbsp;<\/p>\n\n\n\n<p><strong>\ud83d\udc49 La <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Mitose\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/fr.wikipedia.org\/wiki\/Mitose\" rel=\"noreferrer noopener\">mitose<\/a> :<\/strong> elle constitue la deuxi\u00e8me partie de la division cellulaire, elle se caract\u00e9rise par la division d\u2019une cellule \u201cm\u00e8re\u201d en deux cellules \u201cfilles\u201d g\u00e9n\u00e9tiquement identiques.&nbsp;&nbsp;<\/p>\n\n\n<section class=\"read-also\">\n    <p class=\"read-also__title\">\u00c0 lire aussi<\/p>\n            <div class=\"read-also__list\">\n            <p>\u2705 Nos conseils pour <a href=\"https:\/\/sherpas.com\/blog\/methode-epreuve-bac-svt-spe\/\">r\u00e9ussir l&rsquo;\u00e9preuve de sp\u00e9cialit\u00e9 SVT au Bac<\/a> !<\/p>\n\n        <\/div>\n    <\/section>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"linterphase-1%e2%83%a3\">L\u2019interphase 1\ufe0f\u20e3<\/h2>\n\n\n\n<p>On s\u2019attaque d\u2019abord \u00e0 l\u2019interphase et aux 3 \u00e9tapes qui la composent :<\/p>\n\n\n\n<p><strong>\ud83d\udc49 La phase G1 :<\/strong> Dans cette phase, <strong>la cellule contient des chromosomes diplo\u00efdes<\/strong>. C\u2019est durant la phase G1, que l\u2019expression des g\u00e8nes a lieu, pour que la cellule assure ses fonctions biologiques et renouvelle ses constituants. Cette phase peut \u00eatre plus ou moins longue. Cela d\u00e9pend du type de cellule. \ud83e\udd37<\/p>\n\n\n\n<p><strong>\ud83d\udc49 La phase S :<\/strong> C\u2019est durant cette p\u00e9riode que<strong> les chromosomes se dupliquent,<\/strong> par r\u00e9plication de la mol\u00e9cule d\u2019ADN.&nbsp;<strong>Les chromosomes passent d\u2019une forme o\u00f9 ils avaient une seule chromatide, \u00e0 une forme \u00e0 deux chromatides. <\/strong>C\u2019est une phase obligatoire avant une division cellulaire. \u26a0\ufe0f<\/p>\n\n\n\n<p>\ud83d\udc49 <strong>La phase G2<\/strong> : Au cours de cette phase, la cellule se pr\u00e9pare \u00e0 la division. Elle synth\u00e9tise les prot\u00e9ines n\u00e9cessaires \u00e0 la mitose et v\u00e9rifie que la r\u00e9plication de l&rsquo;ADN s&rsquo;est bien d\u00e9roul\u00e9e. Les organites comme les mitochondries ou les chloroplastes se divisent \u00e9galement. Les chromosomes ne sont pas encore visibles au microscope optique : ils ne le deviennent qu&rsquo;au d\u00e9but de la prophase.<\/p>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>\ud83d\udca1 Pour info<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p><!-- wp:paragraph --><\/p>\n<p>Dans cette partie, on a employ\u00e9 quelques mots qui m\u00e9ritent une pr\u00e9cision.<\/p>\n<p><!-- \/wp:paragraph --> <!-- wp:paragraph --><\/p>\n<p><strong>\ud83d\udc49 Diplo\u00efde :<\/strong> une cellule qui contient des chromosomes <strong>diplo\u00efdes signifie que les chromosomes sont par pairs<\/strong>. S\u2019ils sont seuls, c\u2019est qu\u2019ils sont haplo\u00efdes.<\/p>\n<p><!-- \/wp:paragraph --> <!-- wp:paragraph --><\/p>\n<p><strong>\ud83d\udc49 Chromatide :<\/strong> en g\u00e9n\u00e9ral, les chromosomes ont une forme de H.<strong> Les deux branches du H sont appel\u00e9es chromatides.<\/strong> Les branches sont reli\u00e9es entre elles au centre par ce qu\u2019on appelle le <strong>centrom\u00e8re<\/strong>.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n\n        <\/div>\n              <\/section>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>\u26a0\ufe0f Important<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p>L\u2019interphase est une phase qui a toujours lieu avant la mitose. Il ne peut y avoir de mitose sans interphase. Du coup, elle se place toujours entre deux mitoses.<\/p>\n\n        <\/div>\n              <\/section>\n\n\n<section class=\"push \">\n        <div >\n            \n                                                <div class=\"push__container  qcd\" data-target=\"_self\" data-qcd=\"aHR0cHM6Ly9zaGVycGFzLmNvbS9mdW5uZWwtc3R1ZGVudC1xdWFsaWZpY2F0aW9u\" data-banner=\"2\" data-name=\"Cours part\u2019 global #1 = CPG1\" style=\"background-color: #F3FBF7\" >\n                                                                        <div class=\"push__teachers\">\n    <div class=\"d-flex justify-content-center d-md-none\">\n        <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\" alt=\"Logo Sherpas\">\n    <\/div>\n    <div class=\"swiper\">\n        <div class=\"swiper-wrapper\">\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Sophie2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Sophie<\/p>                          <p class=\"push__teachers-school\">Sciences Po Bordeaux<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                        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xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">12\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Jade2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Jade<\/p>                          <p class=\"push__teachers-school\">Sciences Po Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">21\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Fabien2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Fabien<\/p>                          <p class=\"push__teachers-school\">T\u00e9l\u00e9com Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">20\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Hugo2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Hugo<\/p>                          <p class=\"push__teachers-school\">Insa Lyon<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">16\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Victor2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Victor<\/p>                          <p class=\"push__teachers-school\">ESCP<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">25\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Martin2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Martin<\/p>                          <p class=\"push__teachers-school\">HEC Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">23\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Jeanne2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Jeanne<\/p>                          <p class=\"push__teachers-school\">Aix-Marseille Universit\u00e9<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">17\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Simon2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Simon<\/p>                          <p class=\"push__teachers-school\">4e ann\u00e9e de m\u00e9decine<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">26\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n                                                    <div class=\"push__content\">\n                                                            <div  class=\"d-none d-md-block\" >\n                                    <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\"\n                                        alt=\"Logo Sherpas\">\n                                <\/div>\n                                                                                        <div class=\"push__title\"><p>Ton premier cours particulier est offert ! <span role=\"img\" aria-label=\"\ud83c\udf81\">\ud83c\udf81<\/span><!-- notionvc: 91b6b7d7-50f2-46f4-ae1f-ecbabe834aad --><\/p>\n<\/div>\n                                                                                        <div class=\"push__text\"><p>Nos profs sont pass\u00e9s par les meilleures \u00e9coles et universit\u00e9s.<!-- notionvc: 21bb66b6-b36d-4ce8-8950-173722d75a1e --><\/p>\n<p>&nbsp;<\/p>\n<\/div>\n                                                        <div class=\"push__promo-button   \">\n                                                                                                    <div\n                                        class=\"btn btn-primary\"\n                                        style=\"color: #ffffff; border-color: ; background-color: \"\n\n                                    >\n                                        J&rsquo;EN PROFITE MAINTENANT !\n                                    <\/div>\n                                                            <\/div>\n                                                    <\/div>\n                                    <\/div>\n                                    <\/div>\n    <\/section>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"la-mitose-2%e2%83%a3\">La mitose 2\ufe0f\u20e3<\/h2>\n\n\n\n<p>Comme on te l\u2019a expliqu\u00e9 plus haut, la mitose constitue la derni\u00e8re \u00e9tape du cycle cellulaire. <strong>Cette derni\u00e8re \u00e9tape est elle-m\u00eame divis\u00e9e en 4 parties<\/strong> qui ont un r\u00f4le bien pr\u00e9cis, les voici !<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1%e2%83%a3-la-prophase\">1\ufe0f\u20e3 La prophase&nbsp;<\/h3>\n\n\n\n<p>Durant la prophase, l\u2019ADN pr\u00e9sent dans la cellule va se condenser, ce qui permet l\u2019apparition des chromosomes. <strong>Pendant ce temps, l\u2019enveloppe nucl\u00e9aire se d\u00e9sagr\u00e8ge et le fuseau (\u00e9galement appel\u00e9 fuseau mitotique) form\u00e9 de fibres prot\u00e9iques se met en place<\/strong>.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1600\" height=\"788\" src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-3.jpg?func=bound&amp;w=1024&amp;h=788\" alt=\"Sch\u00e9ma montrant la prophase\" class=\"wp-image-265439\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-3.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1600 1600w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-3.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-3.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-3.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-3.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1536 1536w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-3.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=200 200w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-3.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=396 396w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-3.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-3.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=610 610w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-3.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-3.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"2%e2%83%a3-la-metaphase\">2\ufe0f\u20e3 La m\u00e9taphase&nbsp;<\/h3>\n\n\n\n<p>Durant la m\u00e9taphase, la condensation des chromosomes est au plus haut. <strong>En m\u00eame temps, les centrom\u00e8res des chromosomes se placent sur le plan \u00e9quatorial de la cellule de mani\u00e8re align\u00e9e.<\/strong> \u00c7a s\u00e9pare la cellule en deux.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1600\" height=\"1000\" src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-4.jpg?func=bound&amp;w=1024&amp;h=1000\" alt=\"Sch\u00e9ma montrant la m\u00e9taphase\" class=\"wp-image-265440\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-4.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1600 1600w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-4.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-4.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-4.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-4.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1536 1536w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-4.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=200 200w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-4.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=396 396w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-4.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-4.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=594 594w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-4.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-4.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=988 988w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-4.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"3%e2%83%a3-lanaphase\">3\ufe0f\u20e3 L\u2019anaphase&nbsp;<\/h3>\n\n\n\n<p>Durant l\u2019anaphase, les chromosomes se s\u00e9parent en deux. <strong>Les chromatides identiques migrent chacune de leur c\u00f4t\u00e9 vers les p\u00f4les oppos\u00e9s de la cellule.<\/strong><br>On a alors la formation de deux lots d\u2019ADN identiques (puisque les chromatides qui composent un chromosome sont similaires).\u00a0<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1600\" height=\"851\" src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-5.jpg?func=bound&amp;w=1024&amp;h=851\" alt=\"Sch\u00e9ma montrant l'anaphase\" class=\"wp-image-265441\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-5.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1600 1600w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-5.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-5.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-5.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-5.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1536 1536w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-5.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=200 200w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-5.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=396 396w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-5.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-5.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=610 610w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-5.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-5.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"4%e2%83%a3-la-telophase\">4\ufe0f\u20e3 La t\u00e9lophase&nbsp;<\/h3>\n\n\n\n<p>Durant la t\u00e9lophase, les chromosomes, d\u00e9sormais \u00e0 une seule chromatide (monochromatidiques), se d\u00e9condensent. <strong>Des enveloppes nucl\u00e9aires se forment et les deux nouvelles cellules \u201cfilles\u201d apparaissent.<\/strong>\u00a0<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1600\" height=\"946\" src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-6.jpg?func=bound&amp;w=1024&amp;h=946\" alt=\"Sch\u00e9ma montrant la t\u00e9lophase\" class=\"wp-image-265442\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-6.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1600 1600w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-6.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-6.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-6.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-6.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1536 1536w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-6.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=200 200w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-6.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=396 396w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-6.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-6.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=610 610w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-6.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-6.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n<\/div>\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>\ud83d\udca1 Pour info<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p>Une fois la t\u00e9lophase termin\u00e9e, la cellule se s\u00e9pare en deux. <strong>On appelle \u00e7a la cytocin\u00e8se ou encore la cytodi\u00e9r\u00e8se<\/strong>. Cette division mitotique permet <strong>la cr\u00e9ation de deux cellules \u201cfilles\u201d, avec le m\u00eame patrimoine g\u00e9n\u00e9tique que la cellule \u201cm\u00e8re\u201d \u00e0 l\u2019origine du cycle<\/strong>.<\/p>\n\n        <\/div>\n              <\/section>\n\n\n<section class=\"push \">\n        <div >\n            \n                                                <div class=\"push__container  qcd\" data-target=\"_self\" data-qcd=\"aHR0cHM6Ly9zaGVycGFzLmNvbS9mdW5uZWwtc3R1ZGVudC1xdWFsaWZpY2F0aW9u\" data-banner=\"2\" data-name=\"Cours part\u2019 global #2 = CPG2\" style=\"background-color: #F3FBF7\" >\n                                                                        <div class=\"push__teachers\">\n    <div class=\"d-flex justify-content-center d-md-none\">\n        <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\" alt=\"Logo Sherpas\">\n    <\/div>\n    <div class=\"swiper\">\n        <div class=\"swiper-wrapper\">\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Cle\u0301mence2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Cl\u00e9mence<\/p>                          <p class=\"push__teachers-school\">HEC Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                       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                         <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">21\u20ac\/h\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Thibault2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Thibault<\/p>                          <p class=\"push__teachers-school\">ENS Paris Ulm<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">20\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Sophie2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Sophie<\/p>                          <p class=\"push__teachers-school\">Sciences Po Bordeaux<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">12\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Noemie2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">No\u00e9mie<\/p>                          <p class=\"push__teachers-school\">M2 en droit \u00e0 Assas<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">19\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Fanny2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Fanny<\/p>                          <p class=\"push__teachers-school\">Ponts ParisTech<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">19\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Simon2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Simon<\/p>                          <p class=\"push__teachers-school\">4e ann\u00e9e de m\u00e9decine<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">26\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Nicolas2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Nicolas<\/p>                          <p class=\"push__teachers-school\">CentraleSup\u00e9lec<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">17\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Victor2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Victor<\/p>                          <p class=\"push__teachers-school\">ESCP<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">25\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n                                                    <div class=\"push__content\">\n                                                            <div  class=\"d-none d-md-block\" >\n                                    <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\"\n                                        alt=\"Logo Sherpas\">\n                                <\/div>\n                                                                                        <div class=\"push__title\"><p>Besoin d&rsquo;un prof particulier ? <span role=\"img\" aria-label=\"\u2728\">\u2728<\/span><!-- notionvc: 9b5ed38b-ea2e-4d3c-a3bb-f0091c2eedd2 --><\/p>\n<\/div>\n                                                                                        <div class=\"push__text\"><p>Nos profs sont l\u00e0 pour t&rsquo;aider \u00e0 progresser !<\/p>\n<p>&nbsp;<\/p>\n<p><!-- notionvc: 20490bdd-6579-484b-9d99-0ff0bc1aa8e7 --><\/p>\n<\/div>\n                                                        <div class=\"push__promo-button   \">\n                                                                                                    <div\n                                        class=\"btn btn-primary\"\n                                        style=\"color: ; border-color: ; background-color: \"\n\n                                    >\n                                        JE PRENDS UN COURS OFFERT !\n                                    <\/div>\n                                                            <\/div>\n                                                    <\/div>\n                                    <\/div>\n                                    <\/div>\n    <\/section>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"evolution-de-la-quantite-dadn-au-cours-du-cycle-cellulaire\">\u00c9volution de la quantit\u00e9 d\u2019ADN au cours du cycle cellulaire \ud83d\udcc8<\/h2>\n\n\n\n<p><strong>Au cours du cycle cellulaire, la quantit\u00e9 d\u2019ADN pr\u00e9sent par cellule n\u2019est pas fixe. <\/strong>\u00c0 partir de la phase S de l\u2019interphase, la quantit\u00e9 d\u2019ADN va doubler. Ensuite, elle va stagner durant les phases G2 de l\u2019interphase et la mitose.<\/p>\n\n\n\n<p>\u26a0\ufe0f<strong> \u00c0 l\u2019issue de la mitose, la quantit\u00e9 d\u2019ADN revient au point de d\u00e9part<\/strong>. C&rsquo;est ce qui marque le d\u00e9but d\u2019un nouveau cycle cellulaire. \ud83c\udf31<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1600\" height=\"944\" src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-7.jpg?func=bound&amp;w=1024&amp;h=944\" alt=\"Sch\u00e9ma montrant la variation de quantit\u00e9 d'ADN dans une cellule\" class=\"wp-image-265444\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-7.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1600 1600w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-7.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-7.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-7.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-7.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1536 1536w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-7.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=200 200w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-7.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=396 396w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-7.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-7.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=610 610w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-7.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-7.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><figcaption class=\"wp-element-caption\">Graphique montrant la variation de quantit\u00e9 d\u2019ADN dans une cellule.<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"la-meiose-lequivalent-de-la-mitose-dans-le-cycle-des-cellules-sexuelles\">La m\u00e9iose, l\u2019\u00e9quivalent de la mitose dans le cycle des cellules sexuelles<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"quest-ce-que-la-meiose\">Qu\u2019est-ce que la m\u00e9iose ? \ud83e\udd14<\/h3>\n\n\n\n<p>La m\u00e9iose est une double division cellulaire qui permet de produire les gam\u00e8tes (cellules sexuelles) impliqu\u00e9s dans la f\u00e9condation. Contrairement \u00e0 la mitose, qui produit 2 cellules diplo\u00efdes identiques, la m\u00e9iose produit&nbsp;<strong>4 cellules haplo\u00efdes<\/strong>g\u00e9n\u00e9tiquement diff\u00e9rentes les unes des autres. \ud83d\ude2f<\/p>\n\n\n\n<p>\ud83d\udc49 La m\u00e9iose a un r\u00f4le fondamental dans la diversit\u00e9 des esp\u00e8ces, gr\u00e2ce au brassage interchromosomique (r\u00e9partition al\u00e9atoire des chromosomes en anaphase 1) et au brassage intrachromosomique (crossing-over en prophase 1).<\/p>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>\ud83d\udca1 Combien de chromosomes poss\u00e8de un humain ?<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p><!-- wp:paragraph --><\/p>\n<p><strong>La formule chromosomique<\/strong> d\u00e9signe le terme qui permet d\u2019indiquer le nombre de chromosomes d\u2019une esp\u00e8ce. Un <strong>\u00eatre humain poss\u00e8de 46 chromosomes<\/strong>, regroup\u00e9s en 23 paires. 22 paires sont des autosomes, la 23e paire correspond aux chromosomes sexuels : XX chez la femme, XY chez l&rsquo;homme.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">On note le <strong>caryotype masculin 46,XY<\/strong> et le <strong>caryotype f\u00e9minin 46,XX.<\/strong><\/p>\n<p><!-- \/wp:paragraph --><\/p>\n\n        <\/div>\n              <\/section>\n\n\n<section class=\"read-also\">\n    <p class=\"read-also__title\">\u00c0 lire aussi<\/p>\n            <div class=\"read-also__list\">\n            <p>\u2705 Top tips pour <a href=\"https:\/\/sherpas.com\/blog\/bac-biologie-ecologie\/\">r\u00e9ussir la sp\u00e9 biologie-\u00e9cologie au bac<\/a><\/p>\n\n        <\/div>\n    <\/section>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"les-differentes-etapes-de-la-meiose\">Les diff\u00e9rentes \u00e9tapes de la m\u00e9iose \u23f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"la-premiere-division-de-la-meiose-1%e2%83%a3\">La premi\u00e8re division de la m\u00e9iose 1\ufe0f\u20e3&nbsp;<\/h3>\n\n\n\n<p>Durant la premi\u00e8re division de la m\u00e9iose, on va r\u00e9duire le nombre de chromosomes pr\u00e9sents dans la cellule.<strong> \u00c0 la base, on a deux paires de chromosomes \u00e0 deux chromatides (soit 4 chromosomes). \u00c0 la fin de la premi\u00e8re division, on se retrouve avec 2 chromosomes \u00e0 deux chromatides<\/strong>. Comme pour la mitose, elle se d\u00e9roule en 4 \u00e9tapes !<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"1%e2%83%a3-prophase-1\">1\ufe0f\u20e3 Prophase 1&nbsp;<\/h4>\n\n\n\n<p>Comme dans la prophase de la mitose, les chromosomes se condensent et deviennent visibles au microscope. L&rsquo;enveloppe nucl\u00e9aire dispara\u00eet et le fuseau de fibres mitotiques se met en place. Les chromosomes homologues s&rsquo;apparient entre eux (on parle de bivalents).<\/p>\n\n\n\n<p>C&rsquo;est \u00e0 ce stade que peut se produire le&nbsp;<strong>crossing-over<\/strong>&nbsp;(enjambement) : des segments d&rsquo;ADN sont \u00e9chang\u00e9s entre chromatides de chromosomes homologues. Ce m\u00e9canisme est \u00e0 l&rsquo;origine du brassage intrachromosomique, qui augmente la diversit\u00e9 g\u00e9n\u00e9tique des gam\u00e8tes.<\/p>\n\n\n\n<p>\ud83d\udc49 \u00c0 ce moment-l\u00e0, chez l&rsquo;humain, on observe 23 paires de chromosomes \u00e0 2 chromatides (soit 23 bivalents).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1600\" height=\"762\" src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-8.jpg?func=bound&amp;w=1024&amp;h=762\" alt=\"Sch\u00e9ma montrant la prophase 1\" class=\"wp-image-265447\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-8.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1600 1600w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-8.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-8.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-8.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-8.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1536 1536w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-8.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=200 200w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-8.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=396 396w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-8.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-8.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=610 610w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-8.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-8.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\" id=\"2%e2%83%a3-metaphase-1\">2\ufe0f\u20e3 M\u00e9taphase 1 :&nbsp;<\/h4>\n\n\n\n<p><strong>Durant la m\u00e9taphase 1<\/strong>, les <strong>chromosomes homologues se disposent de part et d&rsquo;autre du plan \u00e9quatorial<\/strong>. \u00c7a engendre une division de la cellule en deux.\u00a0<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1600\" height=\"890\" src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?func=bound&amp;w=1024&amp;h=890\" alt=\"Sch\u00e9ma montrant la m\u00e9taphase 1\" class=\"wp-image-265448\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1600 1600w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1536 1536w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=200 200w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=340 340w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=396 396w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=610 610w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=250 250w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-9.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\" id=\"3%e2%83%a3-anaphase-1\">3\ufe0f\u20e3 Anaphase 1 :&nbsp;<\/h4>\n\n\n\n<p>Durant l\u2019anaphase 1, <strong>les chromosomes homologues se s\u00e9parent et vont rejoindre leurs p\u00f4les respectifs de la cellule.<\/strong> Ils gardent leurs deux chromatides pour autant !&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1389\" height=\"1211\" src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-10.jpg?func=bound&amp;w=1024&amp;h=1024\" alt=\"Sch\u00e9ma montrant l'anaphase\" class=\"wp-image-265451\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-10.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1389 1389w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-10.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-10.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-10.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-10.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=143 143w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-10.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=312 312w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-10.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-10.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=426 426w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-10.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-10.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w\" sizes=\"(max-width: 1389px) 100vw, 1389px\" \/><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\" id=\"4%e2%83%a3-telophase-1\">4\ufe0f\u20e3 T\u00e9lophase 1 :&nbsp;<\/h4>\n\n\n\n<p>Enfin, durant la t\u00e9lophase 1,<strong> l\u2019enveloppe nucl\u00e9aire se r\u00e9forme autour des chromosomes qui sont maintenant aux p\u00f4les de la cellule<\/strong>. La cellule se divise au niveau du plan \u00e9quatorial.&nbsp;<\/p>\n\n\n\n<p>\ud83d\udc49 On a la cr\u00e9ation de deux nouvelles cellules.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1600\" height=\"1275\" src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-11-1.jpg?func=bound&amp;w=1024&amp;h=1024\" alt=\"Sch\u00e9ma montrant deux cellules avec les m\u00eames chromosomes\" class=\"wp-image-265453\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-11-1.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1600 1600w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-11-1.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-11-1.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1024 1024w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-11-1.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-11-1.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1536 1536w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-11-1.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=157 157w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-11-1.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=341 341w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-11-1.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-11-1.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=466 466w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-11-1.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-11-1.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"la-seconde-division-de-la-meiose-2%e2%83%a3\">La seconde division de la m\u00e9iose 2\ufe0f\u20e3<\/h3>\n\n\n\n<p><strong>La seconde division de la m\u00e9iose encha\u00eene directement apr\u00e8s la fin de la premi\u00e8re<\/strong>. On va passer cette fois-ci de <strong>deux cellules avec deux chromosomes \u00e0 deux chromatides, \u00e0 4 cellules qui contiennent deux chromatides<\/strong>. On divise encore en deux ! \ud83e\udd75<\/p>\n\n\n\n<p><strong>\ud83d\udc49 <\/strong>Encore une fois, la seconde division de la m\u00e9iose se d\u00e9roule en 4 \u00e9tapes.&nbsp;<\/p>\n\n\n\n<p><span style=\"text-decoration: underline\" class=\"underline\">Voici le d\u00e9roulement <\/span>:&nbsp;<\/p>\n\n\n\n<p><strong>\ud83d\udc49 Prophase 2 :<\/strong> \u00e0 nouveau, les chromosomes se condensent et le fuseau se met en place<strong>. Cette phase est tr\u00e8s rapide, puisque entre la fin de la premi\u00e8re m\u00e9iose, les chromosomes n\u2019ont pas eu le temps de se d\u00e9condenser.<\/strong>&nbsp;<\/p>\n\n\n\n<p><strong>\ud83d\udc49 M\u00e9taphase 2 :<\/strong> <strong>les centrom\u00e8res des chromosomes vont \u00e0 nouveau s\u2019aligner sur le plan \u00e9quatorial<\/strong> de la cellule.&nbsp;<\/p>\n\n\n\n<p><strong>\ud83d\udc49 L\u2019anaphase 2 : les chromatides qui formaient les chromosomes se s\u00e9parent en deux. <\/strong>Ils vont rejoindre les p\u00f4les oppos\u00e9s de la cellule.&nbsp;<\/p>\n\n\n\n<p><strong>\ud83d\udc49 T\u00e9lophase 2 :<\/strong> <strong>l\u2019enveloppe nucl\u00e9aire se reforme autour des chromatides<\/strong>. L\u2019ADN commence \u00e0 se d\u00e9condenser.&nbsp;<\/p>\n\n\n\n<p>\ud83d\udc49 La cytodi\u00e9r\u00e8se se produit et on se retrouve avec 4 cellules haplo\u00efdes qui contiennent chacune\u00a0<strong>n chromosomes \u00e0 1 chromatide<\/strong>\u00a0(dans notre exemple avec 2n = 4, chaque cellule contient 2 chromosomes \u00e0 1 chromatide).\u00a0<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1199\" height=\"1600\" src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-12.jpg?func=bound&amp;w=1024&amp;h=1024\" alt=\"Sch\u00e9ma montrant la seconde division de la m\u00e9iose\" class=\"wp-image-265454\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-12.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1199 1199w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-12.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=225 225w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-12.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=767 767w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-12.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=768 768w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-12.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=1151 1151w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-12.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=94 94w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-12.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=204 204w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-12.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-12.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=278 278w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-12.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/content\/uploads\/2023\/10\/cycle-cellulaire-12.jpg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=45 45w\" sizes=\"(max-width: 1199px) 100vw, 1199px\" \/><\/figure>\n<\/div>\n\n<section class=\"push \">\n        <div >\n            \n                                                <div class=\"push__container  qcd\" data-target=\"_self\" data-qcd=\"aHR0cHM6Ly9zaGVycGFzLmNvbS9mdW5uZWwtc3R1ZGVudC1xdWFsaWZpY2F0aW9u\" data-banner=\"2\" data-name=\"Cours part\u2019 global #3 = CPG3\" style=\"background-color: #F3FBF7\" >\n                                                                        <div class=\"push__teachers\">\n    <div class=\"d-flex justify-content-center d-md-none\">\n        <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\" alt=\"Logo Sherpas\">\n    <\/div>\n    <div class=\"swiper\">\n        <div class=\"swiper-wrapper\">\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Martin2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Martin<\/p>                          <p class=\"push__teachers-school\">HEC Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n              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url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Bastien2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Bastien<\/p>                          <p class=\"push__teachers-school\">Polytechnique<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">26\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Emilie2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Emilie<\/p>                          <p class=\"push__teachers-school\">Sciences Po Lyon<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">19\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Hugo2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Hugo<\/p>                          <p class=\"push__teachers-school\">Insa Lyon<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">16\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Alma2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Alma<\/p>                          <p class=\"push__teachers-school\">ENS Paris-Saclay<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">24\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/David2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">David<\/p>                          <p class=\"push__teachers-school\">EDHEC<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">25\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Jeanne2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Jeanne<\/p>                          <p class=\"push__teachers-school\">Aix-Marseille Universit\u00e9<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">17\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n                                                    <div class=\"push__content\">\n                                                            <div  class=\"d-none d-md-block\" >\n                                    <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\"\n                                        alt=\"Logo Sherpas\">\n                                <\/div>\n                                                                                        <div class=\"push__title\"><p>Besoin de cours particuliers ? <span role=\"img\" aria-label=\"\u2728\">\u2728<\/span><!-- notionvc: 27874cb7-7cca-4c68-a2e3-ea8000cbb55b --><\/p>\n<\/div>\n                                                                                        <div class=\"push__text\"><p><span style=\"color: #48b378;\">4 points<\/span> de plus sur ta <span style=\"color: #48b378;\">moyenne<\/span> avec nos profs Sherpas ! <span role=\"image\" aria-label=\"\ud83d\udcc8\">\ud83d\udcc8<\/span><\/p>\n<p>&nbsp;<\/p>\n<\/div>\n                                                        <div class=\"push__promo-button   \">\n                                                                                                    <div\n                                        class=\"btn btn-primary\"\n                                        style=\"color: ; border-color: ; background-color: \"\n\n                                    >\n                                        JE PRENDS UN COURS OFFERT !\n                                    <\/div>\n                                                            <\/div>\n                                                    <\/div>\n                                    <\/div>\n                                    <\/div>\n    <\/section>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"comment-progresser-en-svt\">Comment progresser en SVT ? \ud83e\udd14<\/h2>\n\n\n\n<p>La SVT ce n\u2019est pas la tasse de th\u00e9 de tout le monde et tu rencontres peut-\u00eatre des difficult\u00e9s&#8230; Mais ne d\u00e9sesp\u00e8re pas, on a des solutions pour que tu progresses dans ce domaine.<\/p>\n\n\n\n<p><strong>\ud83d\udc49 Fais des fiches de r\u00e9vision :<\/strong> le meilleur moyen de retenir une d\u00e9finition ou d\u2019apprendre son cours&#8230; <em>c&rsquo;est de ficher<\/em> ! Attrape ton bloc de Bristol, des stabilos et un stylo, c&rsquo;est parti !<\/p>\n\n\n<section class=\"relance\">\n        <div >\n                        <div class=\"cursor-pointer\" data-toggle=\"modal\" data-target=\"#relance-modal-nPP6bcw7ufE\">\n                <div class=\"relance__container\"\n                    >\n                                                                             <picture>\n                            <source srcset=\"https:\/\/sherpas.com\/content\/uploads\/2021\/10\/Comment-faire-des-fiches-de-re\u0301vision-e1571670487812.jpg\" media=\"(min-width: 999px)\">\n                            <source srcset=\"https:\/\/sherpas.com\/content\/uploads\/2021\/10\/Comment-faire-des-fiches-de-re\u0301vision-e1571670487812.jpg\" media=\"(max-width: 999px)\">\n                                <img decoding=\"async\"\n                                    src=\"https:\/\/sherpas.com\/content\/uploads\/2021\/10\/Comment-faire-des-fiches-de-re\u0301vision-e1571670487812.jpg\"\n                                    alt=\"Comment faire des fiches de r\u00e9vision\"\n                                >\n                            <\/picture>\n                                        <div class=\"relance__content\">\n                                                <div class=\"relance__title\"> <p>D\u00e9couvre la m\u00e9thode qui d\u00e9chire pour faire des fiches dans cette vid\u00e9o \ud83d\udc47<\/p>\n<\/div>\n                                                <button type=\"button\"\n                                class=\"relance__button btn btn-white\">\n                            <svg>\n                                <use\n                                    xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#play\"\/>\n                            <\/svg>\n                            <span>Par ici \ud83e\udd17<\/span>\n                        <\/button>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <\/div>\n    <\/section>\n\n            <div class=\"modal-video modal fade\" id=\"relance-modal-nPP6bcw7ufE\" tabindex=\"-1\" aria-hidden=\"true\">\n            <div class=\"modal-dialog\">\n                <div class=\"modal-content\">\n                    <iframe\n                        src=\"https:\/\/www.youtube.com\/embed\/nPP6bcw7ufE\"\n                        title=\"YouTube video player\" frameborder=\"0\"\n                        allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\"\n                        allowfullscreen\n                    ><\/iframe>\n                <\/div>\n            <\/div>\n        <\/div>\n    \n\n\n<p><strong>\ud83d\udc49 Fais appel \u00e0 un Sherpa :<\/strong> l\u2019autre solution pour progresser est de faire appel \u00e0 un <a href=\"https:\/\/sherpas.com\/cours\/svt\">professeur particulier de SVT.<\/a> Un accompagnement sur-mesure pour que tu vises les \u00e9toiles, c&rsquo;est possible. <\/p>\n\n\n\n<p>Cette petite fiche de cours sur le cycle cellulaire est maintenant termin\u00e9e. On esp\u00e8re qu\u2019elle a pu t\u2019aider \u00e0 mieux comprendre tout ce syst\u00e8me, n\u2019h\u00e9site pas \u00e0 nous laisser un petit commentaire. \ud83d\ude09<\/p>\n\n\n<section class=\"faq\">\n    <div class=\"container\" itemscope itemtype=\"http:\/\/schema.org\/FAQPage\">\n        <div class=\"faq__title\">\n                        <h2 id=\"les-questions-frequentes\">Les questions fr\u00e9quentes<\/h2>\n                    <\/div>\n         <div class=\"faq__questions\">\n                                                                             <div class=\"faq__questions--item \" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                <div class=\"faq__questions--title  collapsed\">\n                    <p class=\"h4\" itemprop=\"name\">Quelle est la diff\u00e9rence entre mitose et m\u00e9iose ?<\/p>\n                    <svg>\n                        <use\n                        xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#chevron-right\"\/>\n                    <\/svg>\n                <\/div>\n                <div class=\"faq__questions--content\" style=\"max-height: 0px\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                    <div itemprop=\"text\"><p>La mitose produit 2 cellules filles diplo\u00efdes (2n) g\u00e9n\u00e9tiquement identiques \u00e0 la cellule m\u00e8re. La m\u00e9iose comporte deux divisions successives et produit 4 cellules haplo\u00efdes (n) g\u00e9n\u00e9tiquement diff\u00e9rentes. La mitose sert \u00e0 la croissance et au renouvellement des tissus, la m\u00e9iose \u00e0 la formation des gam\u00e8tes (cellules sexuelles).<\/p>\n<\/div>\n                <\/div>\n             <\/div>\n                                                                 <div class=\"faq__questions--item \" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                <div class=\"faq__questions--title  collapsed\">\n                    <p class=\"h4\" itemprop=\"name\">Quelles sont les 4 phases de la mitose dans l&rsquo;ordre ?<\/p>\n                    <svg>\n                        <use\n                        xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#chevron-right\"\/>\n                    <\/svg>\n                <\/div>\n                <div class=\"faq__questions--content\" style=\"max-height: 0px\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                    <div itemprop=\"text\"><p>La mitose se d\u00e9roule en 4 phases : prophase (condensation des chromosomes, disparition de l&rsquo;enveloppe nucl\u00e9aire), m\u00e9taphase (alignement des chromosomes sur le plan \u00e9quatorial), anaphase (s\u00e9paration des chromatides vers les p\u00f4les), t\u00e9lophase (reformation de l&rsquo;enveloppe nucl\u00e9aire, d\u00e9condensation, cytodi\u00e9r\u00e8se).<\/p>\n<\/div>\n                <\/div>\n             <\/div>\n                                                                 <div class=\"faq__questions--item \" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                <div class=\"faq__questions--title  collapsed\">\n                    <p class=\"h4\" itemprop=\"name\">Que se passe-t-il pendant la phase S du cycle cellulaire ?<\/p>\n                    <svg>\n                        <use\n                        xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#chevron-right\"\/>\n                    <\/svg>\n                <\/div>\n                <div class=\"faq__questions--content\" style=\"max-height: 0px\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                    <div itemprop=\"text\"><p>Pendant la phase S (Synth\u00e8se), l&rsquo;ADN est r\u00e9pliqu\u00e9. Chaque chromosome passe d&rsquo;une chromatide \u00e0 deux chromatides s\u0153urs reli\u00e9es par le centrom\u00e8re. La quantit\u00e9 d&rsquo;ADN dans la cellule double.<\/p>\n<\/div>\n                <\/div>\n             <\/div>\n                                                                 <div class=\"faq__questions--item \" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                <div class=\"faq__questions--title  collapsed\">\n                    <p class=\"h4\" itemprop=\"name\">Combien de chromosomes poss\u00e8de un \u00eatre humain ?<\/p>\n                    <svg>\n                        <use\n                        xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#chevron-right\"\/>\n                    <\/svg>\n                <\/div>\n                <div class=\"faq__questions--content\" style=\"max-height: 0px\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                    <div itemprop=\"text\"><p>Un \u00eatre humain poss\u00e8de 46 chromosomes, soit 23 paires. 22 paires sont des autosomes, et la 23e paire correspond aux chromosomes sexuels : XX chez la femme, XY chez l&rsquo;homme.<\/p>\n<\/div>\n                <\/div>\n             <\/div>\n                                                                 <div class=\"faq__questions--item \" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n                <div class=\"faq__questions--title  collapsed\">\n                    <p class=\"h4\" itemprop=\"name\">Comment Les Sherpas peuvent m&rsquo;aider \u00e0 progresser en SVT ?<\/p>\n                    <svg>\n                        <use\n                        xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#chevron-right\"\/>\n                    <\/svg>\n                <\/div>\n                <div class=\"faq__questions--content\" style=\"max-height: 0px\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n                    <div itemprop=\"text\"><p>Un Sherpa sp\u00e9cialis\u00e9 en SVT t&rsquo;accompagne pour comprendre les m\u00e9canismes complexes comme le cycle cellulaire, la g\u00e9n\u00e9tique ou l&rsquo;\u00e9cologie. Tu travailles avec des sch\u00e9mas, des exercices type bac et une m\u00e9thode adapt\u00e9e \u00e0 ton niveau. Le premier cours est offert !<\/p>\n<\/div>\n                <\/div>\n             <\/div>\n                                <\/div>\n    <\/div>\n<\/section>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;253971&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;14&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;4.3&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Tu as aim\u00e9 cet article ?&quot;,&quot;legend&quot;:&quot;4.3\\\/5 - (14 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Comprendre le cycle cellulaire \ud83e\uddec&quot;,&quot;width&quot;:&quot;122.2&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 122.2px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            4.3\/5 - (14 votes)    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Comprendre ce qui est \u00e0 la base de notre organisme, c\u2019est l\u2019objectif de cet article sur le cycle (&#8230;)<\/p>\n","protected":false},"author":326,"featured_media":253973,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"footnotes":""},"category":[803,811],"tag":[770,79],"class_list":["post-253971","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-apprendre-matiere","category-svt-biologie-2","tag-fiche-revision","tag-lycee"],"acf":[],"_links":{"self":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/posts\/253971","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/users\/326"}],"replies":[{"embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/comments?post=253971"}],"version-history":[{"count":0,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/posts\/253971\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/media\/253973"}],"wp:attachment":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/media?parent=253971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/category?post=253971"},{"taxonomy":"tag","embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/tag?post=253971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}