First Peoples: study finds two ancient ancestries ‘reconverged’ with settling of South America
New research using ancient DNA finds that a population split after people first arrived in North America was maintained for millennia before mixing again before or during the expansion of humans into the southern continent.
Recent research has suggested that the first people to enter the Americas split into two ancestral branches, the northern and southern, and that the “southern branch” gave rise to all populations in Central and South America.
Now, a study shows for the first time that, deep in their genetic history, the majority – if not all – of