Neanderthal-human hybrids may have been scourged by a genetic mismatch
NeutralScience

Recent research suggests that when Homo sapiens and Neanderthals interbred, a genetic variation affecting red blood cells may have caused reproductive challenges for hybrid women. This finding is significant as it could provide insights into the factors contributing to the Neanderthals' extinction, highlighting the complexities of human evolution and the impact of genetic compatibility.
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