Blood incompatibility with Homo sapiens may have led to Neanderthal extinction
If Neanderthal women mated with Homo sapiens or Denisovan men, there was a high risk of newborns having neonatal hemolytic disease.
Blood incompatibility with Homo sapiens may have led to Neanderthal extinction.(photo credit: DEVA PRASKA DEWANTARA. Via Shutterstock)