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<p>[QUOTE=&quot;David Atherton, post: 4411560, member: 82616&quot;]If you&#039;re going to die on a hill, the Solutrean theory should not be the one!</p><p><br /></p><p>&#039;The genetic piece of one recent argument for a trans-Atlantic migration — known as the Solutrean hypothesis — contended that the presence of mitochondrial haplogroup X2a in Native American populations provided evidence for ancient gene flow from Europe or the Middle East into North America. The hypothesis suggested that the North American Clovis culture dated roughly 13,000 years ago was directly descended from the Solutrean culture of southwestern Europe dated roughly 23,000 years before present.</p><p><br /></p><p>However, Raff and Bolnick said in analyzing all recent genetic studies of the earliest Native Americans they didn&#039;t find anything consistent with a possible early trans-Atlantic migration. For example, the recent publication of the complete genome from the 8,500-year-old Kennewick Man, found in Washington state in 1996, showed that he belonged to haplogroup X2a but had no indication of recent European ancestry throughout the rest of his genome. Michael Crawford, head of KU&#039;s Laboratory of Biological Anthropology and a professor of anthropology, was a co-author on that genetic project.</p><p><br /></p><p>Raff said it was significant that Kennewick Man was on the West Coast, as it put the oldest and most ancestral lineage of X2a ever recovered in a geographic region more consistent with a migration from Siberia across the land bridge known as Beringia, which no longer exists between Alaska and Siberia, than a migration across the Atlantic. Prior to the sequencing of his genome, Kennewick Man had been used as an argument to support non-Siberian ancestry, because his skull looked different from those of later Native Americans. But his genome, and that of other ancient Americans with distinctive skull shapes, showed that was not true.</p><p><br /></p><p>&quot;When you look at the complete genome of ancient Native Americans up until now, we see no evidence for ancient European ancestry,&quot; she said.&#039;</p><p><br /></p><p>The full article can be read here.</p><p><br /></p><p><a href="https://college.ku.edu/about/news/genetic-data-does-not-support-ancient-trans-atlantic-migration-professor-says" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://college.ku.edu/about/news/genetic-data-does-not-support-ancient-trans-atlantic-migration-professor-says" rel="nofollow">https://college.ku.edu/about/news/genetic-data-does-not-support-ancient-trans-atlantic-migration-professor-says</a></p><p><br /></p><p>Pretty conclusive. No one in serious archaeological circles debates this fringe theory anymore. Today it is only touted by racists and internet cranks.[/QUOTE]</p><p><br /></p>

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