{"id":74172,"date":"2012-09-28T23:59:38","date_gmt":"2012-09-29T07:59:38","guid":{"rendered":"http:\/\/blogs.discovermagazine.com\/gnxp\/?p=18523"},"modified":"2012-09-28T23:59:38","modified_gmt":"2012-09-29T07:59:38","slug":"signal-of-indo-aryan-admixture-in-south-indian-brahmins","status":"publish","type":"post","link":"https:\/\/www.razib.com\/wordpress\/2012\/09\/28\/signal-of-indo-aryan-admixture-in-south-indian-brahmins\/","title":{"rendered":"Signal of Indo-Aryan admixture in South Indian Brahmins"},"content":{"rendered":"<p>I&#8217;ve mentioned a few times that the <a href=\"http:\/\/www.harappadna.org\/2012\/06\/ani-asi-admixture-dating\/\">Reich lab<\/a> has been finding suggestive evidence for admixture between indigenous South Asians and a West Eurasian group on the order of ~3,000 years before the present. The modal explanation is probably <a href=\"http:\/\/en.wikipedia.org\/wiki\/Indo-Aryan_peoples#Origins\">an Indo-Aryan intrusion<\/a>. <a href=\"http:\/\/dienekes.blogspot.com\/2012\/09\/rolloff-analysis-of-south-indian.html\">Dienekes<\/a> used <em>rolloff<\/em> in <a href=\"http:\/\/blogs.discovermagazine.com\/gnxp\/2012\/09\/admixtools-is-out\/\">ADMIXTOOLS<\/a> to repeat these general findings. Specifically, <strong>he found signal for an admixture event <em>analogous<\/em> to one between non-Brahmin South Indians and Northern Europeans.<\/strong> I say analogous because I do not mean to imply that the admixture was exactly of this form. Rather, there are general resemblances in the genetic profiles across the four groups (i.e., Orcadian &amp; North Kannadi, and population X and Y which merged to form South Indian Brahmins).<\/p>\n<p>\nThe only thing I would add is that the North Kannadi, representative of non-Brahmin South Indians, are themselves a mixture between West Eurasian and an indigenous South Asian population. And, looking at the patterns of admixture in <a href=\"http:\/\/www.harappadna.org\/\">Harappa<\/a>, it seems to me that South Indian Brahmins themselves have some admixture which postdates their arrival to South India, which is probably 1 to 2,000 years before the present. In the specific case of South Indian Brahmins my model &#8230;<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/feeds.feedburner.com\/~r\/GeneExpressionBlog\/~4\/LGD2eBzznPU\" height=\"1\" width=\"1\"\/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;ve mentioned a few times that the Reich lab has been finding suggestive evidence for admixture between indigenous South Asians and a West Eurasian group on the order of ~3,000 years before the present. The modal explanation is probably an Indo-&#8230;<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,82,481,525],"tags":[],"class_list":["post-74172","post","type-post","status-publish","format-standard","hentry","category-genetics","category-genomics","category-human-genetics","category-human-genomics"],"_links":{"self":[{"href":"https:\/\/www.razib.com\/wordpress\/wp-json\/wp\/v2\/posts\/74172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.razib.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.razib.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.razib.com\/wordpress\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.razib.com\/wordpress\/wp-json\/wp\/v2\/comments?post=74172"}],"version-history":[{"count":6,"href":"https:\/\/www.razib.com\/wordpress\/wp-json\/wp\/v2\/posts\/74172\/revisions"}],"predecessor-version":[{"id":74244,"href":"https:\/\/www.razib.com\/wordpress\/wp-json\/wp\/v2\/posts\/74172\/revisions\/74244"}],"wp:attachment":[{"href":"https:\/\/www.razib.com\/wordpress\/wp-json\/wp\/v2\/media?parent=74172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.razib.com\/wordpress\/wp-json\/wp\/v2\/categories?post=74172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.razib.com\/wordpress\/wp-json\/wp\/v2\/tags?post=74172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}