(University of Illinois at Urbana-Champaign) A new genetic study of ancient individuals in the Americas and their contemporary descendants finds that two populations that diverged from one another 18,000 to 15,000 years ago remained apart for millennia before mixing again. This historic ;reconvergence; occurred before or during their expansion to the southern continent.
from EurekAlert! - Archaeology https://ift.tt/2LbtIho
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