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Published online 8 January 2009 | Nature | doi:10.1038/news.2009.7
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Earliest Americans took two paths
Genetic analysis suggests there were at least two migrations into the Americas.
The ancestors of Native Americans took at least two different paths into the Americas, a new genetic analysis suggests. Although both groups travelled across the Bering land bridge, which connected Asia and North America during the last ice age, the migrants later took divergent paths: one along the Pacific coast, and the other following a route that lead them east of the Rocky Mountains.
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