This may help explain the presence of Western Eurasian DNA in Native American groups...
http://siberiantimes.com/science/cas...fic-sensation/
"New DNA findings, if confirmed, have stunning implications for our understanding of both pre-historic Siberians - and native Americans. They would suggest that, contrary to previous understanding, some indigenous populations are - in fact - European or West Asiatic in origin.
The Danish-US research was carried out on the bones of a Siberian boy whose remains were found near the village of Mal'ta close to Lake Baikal in the 1920s in a grave adorned with flint tools, pendants, a bead necklace and a sprinkling of ochre. The remains are held in the world famous Hermitage Museum in St Petersburg and analysis of a bone in one of his arms represents 'the oldest complete genome of a modern human sequenced to date', according to Science magazine.
'His DNA shows close ties to those of today's Native Americans. Yet he apparently descended not from East Asians, but from people who had lived in Europe or western Asia,' said ancient DNA expert Eske Willerslev of the University of Copenhagen. 'The finding suggests that about a third of the ancestry of today's Native Americans can be traced to 'western Eurasia'.'
The research may help explain why 'European ancestry previously detected in modern Native Americans do not come solely from mixing with European colonists, as most scientists had assumed, but have much deeper roots', said the report."
"The timing is uncertain but 'the deep roots in Europe or west Asia could help explain features of some Paleoamerican skeletons and of Native American DNA today'. Some of the traces of Eurasian genetic signatures in modern Native Americans do not come from colonial times when incoming Europeans mixed with the indigenous population.
'Some of them are ancient,' said Willerslev. Geneticist Connie Mulligan of the University of Florida called the findings 'jaw-dropping'. "
http://siberiantimes.com/science/cas...fic-sensation/
"New DNA findings, if confirmed, have stunning implications for our understanding of both pre-historic Siberians - and native Americans. They would suggest that, contrary to previous understanding, some indigenous populations are - in fact - European or West Asiatic in origin.
The Danish-US research was carried out on the bones of a Siberian boy whose remains were found near the village of Mal'ta close to Lake Baikal in the 1920s in a grave adorned with flint tools, pendants, a bead necklace and a sprinkling of ochre. The remains are held in the world famous Hermitage Museum in St Petersburg and analysis of a bone in one of his arms represents 'the oldest complete genome of a modern human sequenced to date', according to Science magazine.
'His DNA shows close ties to those of today's Native Americans. Yet he apparently descended not from East Asians, but from people who had lived in Europe or western Asia,' said ancient DNA expert Eske Willerslev of the University of Copenhagen. 'The finding suggests that about a third of the ancestry of today's Native Americans can be traced to 'western Eurasia'.'
The research may help explain why 'European ancestry previously detected in modern Native Americans do not come solely from mixing with European colonists, as most scientists had assumed, but have much deeper roots', said the report."
"The timing is uncertain but 'the deep roots in Europe or west Asia could help explain features of some Paleoamerican skeletons and of Native American DNA today'. Some of the traces of Eurasian genetic signatures in modern Native Americans do not come from colonial times when incoming Europeans mixed with the indigenous population.
'Some of them are ancient,' said Willerslev. Geneticist Connie Mulligan of the University of Florida called the findings 'jaw-dropping'. "
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