Science 2014 Aug;345(6200):1255832
Department of Integrative Biology, University of California, Berkeley, CA 94720, USA. Ancestry.com DNA LLC, San Francisco, CA 94107, USA.
The New World Arctic, the last region of the Americas to be populated by humans, has a relatively well-researched archaeology, but an understanding of its genetic history is lacking. We present genome-wide sequence data from ancient and present-day humans from Greenland, Arctic Canada, Alaska, Aleutian Islands, and Siberia. We show that Paleo-Eskimos (~3000 BCE to 1300 CE) represent a migration pulse into the Americas independent of both Native American and Inuit expansions. Read More