Unraveling the Genealogy of Human Ancestry: The Significance of Neanderthal and Denisovan DNA in European, Asian and Melanesian Populations.

Ancient genomes indicate that early modern humans sometimes interbred with other hominins with whom they coexisted. Match the hominins that ancient humans interbred with to the locations where human ancestry indicates the greatest percentage of those particular nonhuman genes. (NOTE: Not all options may have a match.)NeanderthalsaustralopithecinesHomo erectusDenisovans

PacificNeanderthalsOceaniaDenisovans

There is no evidence that early modern humans interbred with australopithecines or Homo erectus. The hominins that ancient humans interbred with were Neanderthals and Denisovans.

The locations where human ancestry indicates the greatest percentage of Neanderthal genes are Europe and Asia. Studies suggest that non-Africans have between 1-4% Neanderthal DNA.

The location where human ancestry indicates the greatest percentage of Denisovan genes is Melanesia. Studies suggest that Melanesians have about 5% Denisovan DNA. Other regions, including East and Southeast Asia, also show evidence of interbreeding with Denisovans, but at a lower level of significance.

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