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DNA from an Ancient, Unidentified Ancestor Was Passed Down to Humans Living Today

Posted by Jean-Yves on Aug 7, 2020

A new analysis of ancient genomes suggests that different branches of the human family tree interbred multiple times, and that some humans carry DNA from an archaic, unknown ancestor.

Melissa Hubisz and Amy Williams of Cornell University and Adam Siepel of Cold Spring Harbor Laboratory report these findings in a study published 6th August in PLOS Genetics. Roughly 50,000 years ago, a group of humans migrated out of Africa and interbred with Neanderthals in Eurasia. But that’s not the only time that our ancient human ancestors and their relatives swapped DNA.

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