Scientists find 19 variations suggestive of positive selection, and likely introduced in prehistoric times through interbreeding with Neanderthals or Denisovans.
Two distinct interbreeding events with Denisovans, a sister group to Neanderthals, contributed to the ancestry of modern East Asians, according to a genetic data analysis.
The archaic Denisovan and Neanderthal DNA that persists in modern individuals from the Pacific islands of Melanesia could be a source of new information about early human history, according to a report published this Thursday, March 17, in the E
