早期人类交配的新见解

Genetic evidence hints that Neanderthal and human interbreeding was strongly sex-biased, but the reason why is a mystery, reports Michael Marshall WHEN our species and Neanderthals interbred, it may have been mostly female Homo sapiens and male Neanderthals who mated. We have known since 2010 that H. sapiens – sometimes referred to as modern humans – and Neanderthals interbred after some members of our species moved out of Africa into Eurasia. There seem to have been multiple periods of interbreeding: one around 50,000 to 43,000 years ago, and an earlier one that is harder to pin down, perhaps 200,000 years or more in the past. Today, all people of non-African descent carry some Neanderthal DNA. …