Continuing now with more from 'America before: The Key to Earth’s Lost Civilization' by Graham Hancock...

...SKOGLUND AND REICH’S PAPER IN Nature reporting the presence of Australasian genes in certain populations in the Amazon is titled “Genetic Evidence for Two Founding Populations of the Americas.”1 It was first published online on July 21, 2015 (ahead of the print edition, which appeared on September 3, 2015).

On precisely the same day (before appearing in print in the journal Science on August 21, 2015), another team of researchers, led by Maanasa Raghavan and Eske Willerslev, both of the Centre for GeoGenetics at the University of Copenhagen, published the online version of a paper titled “Genomic Evidence for the Pleistocene and Recent Population History of Native Americans.”2 Unlike Skoglund and Reich, who see two founder populations in the data, Raghavan and Willerslev see only one, arriving in “a single migration wave from Siberia no earlier than 23 thousand years ago and after no more than an 8000-year isolation period in Beringia.”3

Raghavan and Willerslev several times drive home the point that the data they present “are consistent with a single initial migration of all Native Americans”4 along a route from Siberia via Beringia and that “from that single migration, there was a diversification of ancestral Native Americans leading to the formation of northern and southern branches.”5

This is all very neat, tidy, and in certain ways reassuring for those American archaeologists—a majority—still reeling from posttraumatic shock following the collapse of the Clovis First dogma. Of course they would have to be in a state of rigid and unyielding denial to continue to shrug off the perfect storm of evidence from genetics and from sites like Topper, Cactus Hill, and Monte Verde that relegated Clovis to the trash can of history. But at least their favored route—from Siberia, across the Bering land bridge— remains intact and not only that, but Raghavan and Willerslev’s paper also endorses the currently fashionable “Beringian standstill” model.
https://exploringrealhistory.blogspot.com/2020/08/part-4-america-before-signal-from.html