{"id":14964,"date":"2023-08-27T01:00:46","date_gmt":"2023-08-26T19:30:46","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=14964"},"modified":"2025-04-03T00:05:05","modified_gmt":"2025-04-02T18:35:05","slug":"what-is-y-chromosome","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/what-is-y-chromosome\/","title":{"rendered":"What is Y chromosome?"},"content":{"rendered":"<h2><strong>About Y chromosome:<\/strong><\/h2>\n<ul>\n<li>The Y chromosome <strong>is one of the two sex chromosomes <\/strong>in humans (the <strong>other is the X chromosome).<\/strong><\/li>\n<li><strong>The sex chromosomes form one of the 23 pairs of human chromosomes in each cell.\u00a0<\/strong><\/li>\n<li>The <strong>Y chromosome is very small.<\/strong> It likely <strong>contains 50 to 60 genes<\/strong> and represents 2<strong>% of a cell&#8217;s total DNA.<\/strong><\/li>\n<li><strong>Each person normally has one pair of sex chromosomes in each cell.\u00a0<\/strong><\/li>\n<li>The <strong>Y chromosome is present in males<\/strong>, <strong>who have one X and one Y chromosome,<\/strong> <strong>while females have two X chromosomes.<\/strong><\/li>\n<li><strong>Genes in Y Chromosome:<\/strong>\n<ul>\n<li>Because only males have the Y chromosome, the <strong>genes on this chromosome tend to be involved in male sex determination and development.\u00a0<\/strong><\/li>\n<li>The <strong>Y chromosome is relatively small<\/strong> and contains fewer genes compared to the X chromosome.<\/li>\n<li>This has l<strong>ed to its characterization as the &#8220;male-determining&#8221; chromosome,<\/strong> as its primary role is to initiate and control male development.<\/li>\n<li>While the <strong>X chromosome contains genes related to various functions throughout the body<\/strong>, the Y chromosome focuses on male-specific traits.<\/li>\n<li><strong>SRY Gene:\u00a0<\/strong> The Y chromosome <strong>contains a critical gene called the Sex-Determining Region Y (SRY) gene.<\/strong> S<strong>ex is determined by the SRY gene<\/strong>, which is responsible for the <strong>development of a fetus into a male.<\/strong><\/li>\n<li><strong>Other genes<\/strong> on the Y chromosome<strong> are important for enabling men to father biological children<\/strong> (male fertility).<\/li>\n<\/ul>\n<\/li>\n<li><strong>Genetic Disorders:<\/strong>\n<ul>\n<li><strong>Mutations or deletions<\/strong> <strong>of genes<\/strong> on the Y chromosome can<strong> lead to various genetic disorders and infertility in males.<\/strong><\/li>\n<li><strong>For example, deletions in the AZF<\/strong> (Azoospermia Factor) r<strong>egion of the Y chromosome can cause male infertility <\/strong>by affecting sperm production.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3>Q1)\u00a0What is a Chromosome?<\/h3>\n<p>A chromosome is a thread-like structure made of DNA (deoxyribonucleic acid) and associated proteins found in the nucleus of eukaryotic cells. Chromosomes are essential components of living organisms, and they play a central role in the storage and transmission of genetic information from one generation to the next.<\/p>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/www.nih.gov\/news-events\/news-releases\/researchers-assemble-first-complete-sequence-human-y-chromosome\" target=\"_blank\" rel=\"nofollow noopener\"><u>Researchers assemble the first complete sequence of a human Y chromosome<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Y chromosome is one of the two sex chromosomes in humans (the other is the X chromosome).<\/p>\n","protected":false},"author":5,"featured_media":14965,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-14964","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/14964","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=14964"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/14964\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/14965"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=14964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=14964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=14964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}