{"id":12282,"date":"2023-06-20T02:33:10","date_gmt":"2023-06-19T21:03:10","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=12282"},"modified":"2025-03-30T08:27:23","modified_gmt":"2025-03-30T02:57:23","slug":"y-chromosome","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/y-chromosome\/","title":{"rendered":"Y chromosome"},"content":{"rendered":"<h2><strong>Key findings:<\/strong><\/h2>\n<ul>\n<li>Researchers have discovered that <strong>the Y chromosome possesses genes<\/strong> that are vital to biological functions, including those linked <strong>to ageing and lifespan regulation.<\/strong><\/li>\n<li>Genome sequences of the Neanderthals, an ancient relative of the modern human, harbour telltale signs of the replacement of the Y chromosome beginning from modern humans.\u00a0<\/li>\n<li>The Y chromosome may have to relinquish its title of \u201c<strong>master of maleness\u201d<\/strong> to another chromosome in the times to come.<\/li>\n<\/ul>\n<h3>What is a chromosome?<\/h3>\n<ul>\n<li>It is a <strong>thread-like structure<\/strong> located inside the <strong>nucleus of animal and plant cells.<\/strong><\/li>\n<li>Each chromosome is <strong>made of protein<\/strong> and a single molecule of deoxyribonucleic acid (DNA).<\/li>\n<li>It is passed from parents to offspring.<\/li>\n<li>DNA contains the specific instructions that make each type of living creature unique.<\/li>\n<li>In humans, in addition to the 22 pairs of chromosomes in each, we have a pair of sex chromosomes called X and Y.<\/li>\n<li>All biological <strong>males have X and Y<\/strong> chromosomes and all biological <strong>females have two X<\/strong> chromosomes.<\/li>\n<li>The y chromosome known as the \u201cmaster of maleness,\u201d determines the biological male sex and carries genes that play a role in sex determination.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3>Q1) What are Proteins?<\/h3>\n<p>Proteins are macromolecules composed of amino acids and play a crucial role in various biological processes. They are involved in nearly every aspect of cell function and are essential for the structure, function, <strong>and regulation of tissues and organs in the human body.<\/strong><\/p>\n<p><strong>Source:<\/strong>\u00a0<a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/y-chromosome-maleness-biological-function-loss\/article66982017.ece\" target=\"_blank\" rel=\"nofollow noopener\"><u>Explained | The remarkable endurance of the Y chromosome, \u2018master of maleness\u2019<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Y chromosome possesses genes that are vital to biological functions, including those linked to ageing and lifespan regulation.<\/p>\n","protected":false},"author":5,"featured_media":12283,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-12282","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\/12282","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=12282"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/12282\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/12283"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=12282"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=12282"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=12282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}