Research showing that our species interbred with Neanderthals some 100,000 years ago is providing intriguing evidence that Homo sapiens ventured out of Africa much earlier than previously thought, although the foray appears to have fizzled.
Scientists said on Wednesday an analysis of the genome of a Neanderthal woman whose remains were found in a cave in the Altai Mountains in southern Siberia near the Russia-Mongolia border detected residual DNA from Homo sapiens, a sign of inter-species mating.
Previous research had established that Homo sapiens and our close cousins the Neanderthals interbred around 50,000 to 60,000 years ago, said geneticist Sergi Castellano of the Max Planck Institute for Evolutionary Anthropology in Germany.
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