{"id":10872,"date":"2023-05-26T08:40:00","date_gmt":"2023-05-26T06:40:00","guid":{"rendered":"https:\/\/adntro.com\/?p=10872"},"modified":"2025-07-28T08:29:54","modified_gmt":"2025-07-28T06:29:54","slug":"meiosis","status":"publish","type":"post","link":"https:\/\/adntro.com\/en\/blog\/learn-genetics\/meiosis\/","title":{"rendered":"What is meiosis?"},"content":{"rendered":"<p class=\" translation-block\">Meiosis is a <b>process of cell division<\/b> that occurs exclusively in <b>sexual cells in organisms with sexual reproduction<\/b>. This process results in the formation of gametes (eggs and sperm).<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Importance of meiosis<\/h2>\n\n\n\n<p class=\" translation-block\">Unlike <a href=\"https:\/\/adntro.com\/en\/blog\/learn-genetics\/cell-cycle-phase\/\" target=\"_self\">mitosis<\/a>, which produces cells identical to the stem cell, meiosis <b>produces cells with half the number of chromosomes and different from the original cell<\/b>. This process is essential to:<\/p>\n\n\n\n<ol class=\"wp-block-list\" style=\"list-style-type:1\">\n<li class=\" translation-block\"><b>Keep the number of sex chromosomes constant in future generations<\/b>.  The formation of the zygote takes place after the fusion of two gametes.<\/li>\n\n\n\n<li class=\" translation-block\"><b>Generate genetic variability between organisms<\/b>. This second point is possible thanks to the recombination process (see section \"<b>Genetic recombination<\/b>\").<\/li>\n<\/ol>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Phases of meiosis<\/h2>\n\n\n\n<p class=\" translation-block\">Meiosis <b>consists of two consecutive cell divisions<\/b> called meiosis I and meiosis II, which <b>result<\/b> in the formation of <b>four haploid cells<\/b>. These haploid cells can fuse with another haploid cell of the opposite sex during fertilization to form a zygote, which will develop into a new organism.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Meiosis I<\/h3>\n\n\n\n<p class=\" translation-block\">Meiosis I is a <b>reductional division<\/b>, as homologous chromosomes separate, halving the number of chromosomes in each daughter cell. This process consists of 4 phases:<\/p>\n\n\n\n<div style=\"height:28px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"567\" height=\"137\" src=\"https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/meiosis-I-1.png\" alt=\"Importance of meiosis\" class=\"wp-image-10887\" srcset=\"https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/meiosis-I-1.png 567w, https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/meiosis-I-1-300x72.png 300w, https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/meiosis-I-1-18x4.png 18w\" sizes=\"(max-width: 567px) 100vw, 567px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:28px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ol class=\"wp-block-list\" style=\"list-style-type:1\">\n<li class=\" translation-block\"><b>Prophase I<\/b>: The cell prepares for division in much the same way as it does in mitosis. The chromosomes condense and become visible under the microscope. <b>The homologous chromosomes pair up<\/b> and a structure called bivalent or tetrad is formed. During this pairing, <b>genetic recombination can occur through crossing over<\/b> (a process detailed in the \"Genetic recombination\" section). This process is crucial and differentiates between the prophase of mitosis and meiosis. Also, the nuclear envelope begins to disintegrate.<\/li>\n\n\n\n<li class=\" translation-block\"><b>Metaphase I<\/b>: <b>Bivalents line up<\/b> in the <b>equatorial plane<\/b> of the cell where microtubules of the mitotic spindle attach to the centromeres of chromosomes.<\/li>\n\n\n\n<li><strong>Anaphase I<\/strong>: <strong>Homologous chromosomes separate<\/strong> and are pulled toward the opposite poles of the cell by the spindle microtubules. The separation of homologous chromosomes is crucial, as it ensures that each daughter cell receives only one chromosome from each pair. <strong>Failures in this process generate anomalies known as <a href=\"https:\/\/adntro.com\/en\/blog\/salud\/aneuploidies\/\">aneuploidies<\/a><\/strong>. One of the most common aneuploidies is Down Syndrome, which belongs to the group of the <a href=\"https:\/\/adntro.com\/en\/blog\/salud\/trisomies\/\">trisomies<\/a>.<\/li>\n\n\n\n<li class=\" translation-block\"><b>Telophase I<\/b>: Chromosomes reach opposite poles of the cell. A new nuclear envelope forms around each set of chromosomes and the cell divides by <b>cytokinesis<\/b>, generating <b>two haploid daughter cells<\/b>.<\/li>\n<\/ol>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Meiosis II<\/h3>\n\n\n\n<p class=\" translation-block\">Meiosis II is similar to a conventional mitotic division but <b>takes place in haploid cells rather than diploid cells<\/b>. The result of meiosis II is the formation of four haploid cells, each with a unique combination of chromosomes and alleles. These cells are known as gametes (eggs or sperm) and are involved in sexual reproduction.<\/p>\n\n\n\n<div style=\"height:28px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"567\" height=\"152\" src=\"https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/meiosis-II.png\" alt=\"Phases meiosis II\" class=\"wp-image-10882\" style=\"width:570px;height:154px\" srcset=\"https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/meiosis-II.png 567w, https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/meiosis-II-300x80.png 300w, https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/meiosis-II-18x5.png 18w\" sizes=\"(max-width: 567px) 100vw, 567px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:28px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ol class=\"wp-block-list\">\n<li class=\" translation-block\"><b>Prophase II<\/b>: The daughter cells formed in meiosis I enter into prophase II. At this stage, the <b>chromosomes condense<\/b>, and the nuclear envelopes disappear.<\/li>\n\n\n\n<li class=\" translation-block\"><b>Metaphase II<\/b>: The chromosomes are aligned in the <b>equatorial plane<\/b> of each daughter cell. The microtubules of the mitotic spindle attach to the centromeres of chromosomes.<\/li>\n\n\n\n<li class=\" translation-block\"><b>Anaphase II<\/b>: The centromeres and the <b>sister chromatids<\/b> are separate, being dragged toward the opposite poles of the cell by the microtubules of the mitotic spindle. Failures in this phase may be responsible for the subsequent existence of aneuploidies.<\/li>\n\n\n\n<li class=\" translation-block\"><b>Telophase II<\/b>: Chromosomes reach opposite poles of each daughter cell. New nuclear envelopes form around the chromosome sets and the chromosomes decondense. Daughter cells divide by <b>cytokinesis<\/b>, resulting in the formation of <b>four haploid cells<\/b>, each with half the number of chromosomes of the original cell.<\/li>\n<\/ol>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Genetic recombination<\/h2>\n\n\n\n<p class=\" translation-block\">Recombination, also known as <b>crossing over<\/b>, is a <b>key process that occurs during meiosis.  During the stage of meiosis I homologous chromosomes<\/b>, (pairs of similar chromosomes inherited from parents), <b>pair up<\/b> and form structures called bivalent or tetrad. During this pairing, an <b>exchange of DNA segments occurs between homologous chromosomes<\/b>. These exchanges are known as crossing-overs and result in genetic recombination because alleles and genes are mixed between homologous chromosomes.<\/p>\n\n\n\n<div style=\"height:28px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/recombinacion-1024x576.jpg\" alt=\"Genetic recombination\" class=\"wp-image-10883\" style=\"width:744px;height:418px\" srcset=\"https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/recombinacion-1024x576.jpg 1024w, https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/recombinacion-300x169.jpg 300w, https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/recombinacion-768x432.jpg 768w, https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/recombinacion-1536x864.jpg 1536w, https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/recombinacion-18x10.jpg 18w, https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/recombinacion.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:28px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\" translation-block\">Genetic recombination is vital because it <b>generates genetic variability in sex cells<\/b>. This means that the resulting gametes will have unique combinations of alleles, increasing genetic diversity in the offspring. Recombination also helps break genetic links between genes, allowing the redistribution of alleles in the population and <b>promoting evolution<\/b>, an essential process for species adaptation.<\/p>\n\n\n\n<p>Buy your <a href=\"https:\/\/adntro.com\/en\/\">DNA TEST<\/a> of ADNTRO or by <a href=\"https:\/\/adntro.com\/en\/upload-your-raw-adn-landing\/\">upload your RAW DNA data for free<\/a>!<\/p>","protected":false},"excerpt":{"rendered":"<p>Meiosis is a process of cell division that occurs exclusively in sex (or germ) cells in sexually reproducing organisms. This process results in the formation of gametes (eggs and sperm). Importance of meiosis Unlike mitosis, which produces cells identical to the parent cell, meiosis is a process of [...]<\/p>","protected":false},"author":8,"featured_media":10884,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[432],"tags":[42,488,18,412,486,487],"class_list":["post-10872","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aprende-genetica","tag-adntro","tag-aneuploidias","tag-genetica","tag-meiosis","tag-recombinacion-genetica","tag-variabilidad-genetica"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00bfQu\u00e9 es la meiosis? | ADNTRO<\/title>\n<meta name=\"description\" content=\"\u00bfQuieres saber qu\u00e9 es la meiosis y la recombinaci\u00f3n gen\u00e9tica? Aprende sobre las fases de la meiosis y su importancia en este art\u00edculo.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/adntro.com\/en\/blog\/learn-genetics\/meiosis\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00bfQu\u00e9 es la meiosis? | ADNTRO\" \/>\n<meta property=\"og:description\" content=\"\u00bfQuieres saber qu\u00e9 es la meiosis y la recombinaci\u00f3n gen\u00e9tica? Aprende sobre las fases de la meiosis y su importancia en este art\u00edculo.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/adntro.com\/en\/blog\/learn-genetics\/meiosis\/\" \/>\n<meta property=\"og:site_name\" content=\"ADNTRO\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ADNTROSPAIN\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-26T06:40:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-28T06:29:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/meiosis-2.0-e1634860090776.png\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Sandra Ferreiro\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@adntrospain\" \/>\n<meta name=\"twitter:site\" content=\"@adntrospain\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sandra Ferreiro\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/adntro.com\/es\/blog\/aprende-genetica\/meiosis\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/adntro.com\/en\/blog\/learn-genetics\/meiosis\/\"},\"author\":{\"name\":\"Sandra Ferreiro\",\"@id\":\"https:\/\/adntro.com\/de\/#\/schema\/person\/a71eca38b563da2bb60f24d7e71f7d6b\"},\"headline\":\"\u00bfQu\u00e9 es la meiosis?\",\"datePublished\":\"2023-05-26T06:40:00+00:00\",\"dateModified\":\"2025-07-28T06:29:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/adntro.com\/en\/blog\/learn-genetics\/meiosis\/\"},\"wordCount\":928,\"publisher\":{\"@id\":\"https:\/\/adntro.com\/de\/#organization\"},\"keywords\":[\"adntro\",\"aneuploid\u00edas\",\"gen\u00e9tica\",\"meiosis\",\"recombinaci\u00f3n gen\u00e9tica\",\"variabilidad gen\u00e9tica\"],\"articleSection\":[\"Aprende gen\u00e9tica\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/adntro.com\/en\/blog\/learn-genetics\/meiosis\/\",\"url\":\"https:\/\/adntro.com\/es\/blog\/aprende-genetica\/meiosis\/\",\"name\":\"\u00bfQu\u00e9 es la meiosis? | ADNTRO\",\"isPartOf\":{\"@id\":\"https:\/\/adntro.com\/de\/#website\"},\"datePublished\":\"2023-05-26T06:40:00+00:00\",\"dateModified\":\"2025-07-28T06:29:54+00:00\",\"description\":\"\u00bfQuieres saber qu\u00e9 es la meiosis y la recombinaci\u00f3n gen\u00e9tica? Aprende sobre las fases de la meiosis y su importancia en este art\u00edculo.\",\"breadcrumb\":{\"@id\":\"https:\/\/adntro.com\/es\/blog\/aprende-genetica\/meiosis\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/adntro.com\/es\/blog\/aprende-genetica\/meiosis\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/adntro.com\/es\/blog\/aprende-genetica\/meiosis\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/adntro.com\/es\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u00bfQu\u00e9 es la meiosis?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/adntro.com\/de\/#website\",\"url\":\"https:\/\/adntro.com\/de\/\",\"name\":\"ADNTRO\",\"description\":\"Gen\u00e9tica, salud, nutrici\u00f3n\",\"publisher\":{\"@id\":\"https:\/\/adntro.com\/de\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/adntro.com\/de\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/adntro.com\/de\/#organization\",\"name\":\"ADNTRO Genetics\",\"url\":\"https:\/\/adntro.com\/de\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/adntro.com\/de\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/adntro.com\/wp-content\/uploads\/2021\/08\/android-chrome-512x512-2.png\",\"contentUrl\":\"https:\/\/adntro.com\/wp-content\/uploads\/2021\/08\/android-chrome-512x512-2.png\",\"width\":512,\"height\":512,\"caption\":\"ADNTRO Genetics\"},\"image\":{\"@id\":\"https:\/\/adntro.com\/de\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/ADNTROSPAIN\/\",\"https:\/\/twitter.com\/adntrospain\",\"https:\/\/www.instagram.com\/adntro_\/\",\"https:\/\/www.pinterest.es\/ADNTRO_TEAM\/_saved\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/adntro.com\/de\/#\/schema\/person\/a71eca38b563da2bb60f24d7e71f7d6b\",\"name\":\"Sandra Ferreiro\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/adntro.com\/de\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/ddaa4448bc53192d65c596cd5119749fb4d7167a3b3d7931d8b0470a2021bdc3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/ddaa4448bc53192d65c596cd5119749fb4d7167a3b3d7931d8b0470a2021bdc3?s=96&d=mm&r=g\",\"caption\":\"Sandra Ferreiro\"},\"description\":\"Bioinform\u00e1tica y Responsable del \u00e1rea cient\u00edfica en ADNTRO. Biotecn\u00f3loga por la Universidad Francisco de Vitoria, donde recibi\u00f3 dos becas de expediente acad\u00e9mico brillante. Estuvo trabajando en un proyecto de investigaci\u00f3n sobre la asimetr\u00eda izquierda-derecha en Newcastle, siendo premiada en la Conferencia del Centro de Investigaci\u00f3n Cardiovascular Trainees Meeting como el mejor p\u00f3ster (2018). Complet\u00f3 un m\u00e1ster en Biolog\u00eda Computacional en la Universidad Polit\u00e9cnica de Madrid. All\u00ed estudi\u00f3 las redes de interacci\u00f3n metab\u00f3lica en el microbioma de pacientes con Enfermedad de Chron y Colitis Ulcerosa en el centro de investigaci\u00f3n CBGP, centro de Excelencia Severo Ochoa (2020). Desde el 2020 es Bioinform\u00e1tica en ADNTRO donde desarrolla modelos predictivos, realiza anotaciones y an\u00e1lisis de variantes patog\u00e9nicas, investigaci\u00f3n de literatura GWAS y divulgaci\u00f3n cient\u00edfica.\",\"sameAs\":[\"https:\/\/www.linkedin.com\/in\/sandra-ferreiro-lpez-78804016a\/\"],\"url\":\"https:\/\/adntro.com\/en\/blog\/author\/sandra\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u00bfQu\u00e9 es la meiosis? | ADNTRO","description":"\u00bfQuieres saber qu\u00e9 es la meiosis y la recombinaci\u00f3n gen\u00e9tica? Aprende sobre las fases de la meiosis y su importancia en este art\u00edculo.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/adntro.com\/en\/blog\/learn-genetics\/meiosis\/","og_locale":"en_US","og_type":"article","og_title":"\u00bfQu\u00e9 es la meiosis? | ADNTRO","og_description":"\u00bfQuieres saber qu\u00e9 es la meiosis y la recombinaci\u00f3n gen\u00e9tica? Aprende sobre las fases de la meiosis y su importancia en este art\u00edculo.","og_url":"https:\/\/adntro.com\/en\/blog\/learn-genetics\/meiosis\/","og_site_name":"ADNTRO","article_publisher":"https:\/\/www.facebook.com\/ADNTROSPAIN\/","article_published_time":"2023-05-26T06:40:00+00:00","article_modified_time":"2025-07-28T06:29:54+00:00","og_image":[{"width":800,"height":400,"url":"https:\/\/adntro.com\/wp-content\/uploads\/2023\/05\/meiosis-2.0-e1634860090776.png","type":"image\/png"}],"author":"Sandra Ferreiro","twitter_card":"summary_large_image","twitter_creator":"@adntrospain","twitter_site":"@adntrospain","twitter_misc":{"Written by":"Sandra Ferreiro","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/adntro.com\/es\/blog\/aprende-genetica\/meiosis\/#article","isPartOf":{"@id":"https:\/\/adntro.com\/en\/blog\/learn-genetics\/meiosis\/"},"author":{"name":"Sandra Ferreiro","@id":"https:\/\/adntro.com\/de\/#\/schema\/person\/a71eca38b563da2bb60f24d7e71f7d6b"},"headline":"\u00bfQu\u00e9 es la meiosis?","datePublished":"2023-05-26T06:40:00+00:00","dateModified":"2025-07-28T06:29:54+00:00","mainEntityOfPage":{"@id":"https:\/\/adntro.com\/en\/blog\/learn-genetics\/meiosis\/"},"wordCount":928,"publisher":{"@id":"https:\/\/adntro.com\/de\/#organization"},"keywords":["adntro","aneuploid\u00edas","gen\u00e9tica","meiosis","recombinaci\u00f3n gen\u00e9tica","variabilidad gen\u00e9tica"],"articleSection":["Aprende gen\u00e9tica"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/adntro.com\/en\/blog\/learn-genetics\/meiosis\/","url":"https:\/\/adntro.com\/es\/blog\/aprende-genetica\/meiosis\/","name":"\u00bfQu\u00e9 es la meiosis? | ADNTRO","isPartOf":{"@id":"https:\/\/adntro.com\/de\/#website"},"datePublished":"2023-05-26T06:40:00+00:00","dateModified":"2025-07-28T06:29:54+00:00","description":"\u00bfQuieres saber qu\u00e9 es la meiosis y la recombinaci\u00f3n gen\u00e9tica? Aprende sobre las fases de la meiosis y su importancia en este art\u00edculo.","breadcrumb":{"@id":"https:\/\/adntro.com\/es\/blog\/aprende-genetica\/meiosis\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/adntro.com\/es\/blog\/aprende-genetica\/meiosis\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/adntro.com\/es\/blog\/aprende-genetica\/meiosis\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/adntro.com\/es\/"},{"@type":"ListItem","position":2,"name":"\u00bfQu\u00e9 es la meiosis?"}]},{"@type":"WebSite","@id":"https:\/\/adntro.com\/de\/#website","url":"https:\/\/adntro.com\/de\/","name":"ADNTRO","description":"Gen\u00e9tica, salud, nutrici\u00f3n","publisher":{"@id":"https:\/\/adntro.com\/de\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/adntro.com\/de\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/adntro.com\/de\/#organization","name":"ADNTRO Genetics","url":"https:\/\/adntro.com\/de\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/adntro.com\/de\/#\/schema\/logo\/image\/","url":"https:\/\/adntro.com\/wp-content\/uploads\/2021\/08\/android-chrome-512x512-2.png","contentUrl":"https:\/\/adntro.com\/wp-content\/uploads\/2021\/08\/android-chrome-512x512-2.png","width":512,"height":512,"caption":"ADNTRO Genetics"},"image":{"@id":"https:\/\/adntro.com\/de\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/ADNTROSPAIN\/","https:\/\/twitter.com\/adntrospain","https:\/\/www.instagram.com\/adntro_\/","https:\/\/www.pinterest.es\/ADNTRO_TEAM\/_saved\/"]},{"@type":"Person","@id":"https:\/\/adntro.com\/de\/#\/schema\/person\/a71eca38b563da2bb60f24d7e71f7d6b","name":"Sandra Ferreiro","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/adntro.com\/de\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/ddaa4448bc53192d65c596cd5119749fb4d7167a3b3d7931d8b0470a2021bdc3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ddaa4448bc53192d65c596cd5119749fb4d7167a3b3d7931d8b0470a2021bdc3?s=96&d=mm&r=g","caption":"Sandra Ferreiro"},"description":"Bioinform\u00e1tica y Responsable del \u00e1rea cient\u00edfica en ADNTRO. Biotecn\u00f3loga por la Universidad Francisco de Vitoria, donde recibi\u00f3 dos becas de expediente acad\u00e9mico brillante. Estuvo trabajando en un proyecto de investigaci\u00f3n sobre la asimetr\u00eda izquierda-derecha en Newcastle, siendo premiada en la Conferencia del Centro de Investigaci\u00f3n Cardiovascular Trainees Meeting como el mejor p\u00f3ster (2018). Complet\u00f3 un m\u00e1ster en Biolog\u00eda Computacional en la Universidad Polit\u00e9cnica de Madrid. All\u00ed estudi\u00f3 las redes de interacci\u00f3n metab\u00f3lica en el microbioma de pacientes con Enfermedad de Chron y Colitis Ulcerosa en el centro de investigaci\u00f3n CBGP, centro de Excelencia Severo Ochoa (2020). Desde el 2020 es Bioinform\u00e1tica en ADNTRO donde desarrolla modelos predictivos, realiza anotaciones y an\u00e1lisis de variantes patog\u00e9nicas, investigaci\u00f3n de literatura GWAS y divulgaci\u00f3n cient\u00edfica.","sameAs":["https:\/\/www.linkedin.com\/in\/sandra-ferreiro-lpez-78804016a\/"],"url":"https:\/\/adntro.com\/en\/blog\/author\/sandra\/"}]}},"_links":{"self":[{"href":"https:\/\/adntro.com\/en\/wp-json\/wp\/v2\/posts\/10872","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adntro.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/adntro.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/adntro.com\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/adntro.com\/en\/wp-json\/wp\/v2\/comments?post=10872"}],"version-history":[{"count":7,"href":"https:\/\/adntro.com\/en\/wp-json\/wp\/v2\/posts\/10872\/revisions"}],"predecessor-version":[{"id":13275,"href":"https:\/\/adntro.com\/en\/wp-json\/wp\/v2\/posts\/10872\/revisions\/13275"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/adntro.com\/en\/wp-json\/wp\/v2\/media\/10884"}],"wp:attachment":[{"href":"https:\/\/adntro.com\/en\/wp-json\/wp\/v2\/media?parent=10872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/adntro.com\/en\/wp-json\/wp\/v2\/categories?post=10872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/adntro.com\/en\/wp-json\/wp\/v2\/tags?post=10872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}