Most people of non-African ancestry carry about 2% Neanderthal DNA, and researchers report a mirror image pattern with more human DNA on the Neanderthal X chromosome.

When ancient humans mated, dad was a Neanderthal, mom was Homo sapiens.

A preference for pairings between male Neanderthals and female Homo sapiens may answer the question of why there are "Neanderthal deserts" in human chromosomes. When you purchase through links on our ...

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Thin stretches of the human X chromosome look oddly empty when you scan for Neanderthal DNA. Geneticists even have a name for the gaps: “Neanderthal deserts.” They sit there like blank tape in an ...