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Saturday, August 08, 2020

Human Ancestors

Mystery ancestor mated with ancient humans. And its 'nested' DNA was just found.

Homo erectus skull.
An unidentified ancestor that interbred with humans may have been Homo erectus (skull shown here).
(Image: © Shutterstock)
Today's humans carry the genes of an ancient, unknown ancestor, left there by hominin species intermingling perhaps a million years ago. 
The ancestor may have been Homo erectus, but no one knows for sure — the genome of that extinct species of human has never been sequenced, said Adam Siepel, a computational biologist at Cold Spring Harbor Laboratory and one of the authors of a new paper examining the relationships of ancient human ancestors. 

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