mtDNA & neandertal/sapiens relationships

When I was at high school, mumblety-mumble years ago, the accepted wisdom was that modern humans and Neandertals were sub-species in the same genus: Homo sapiens sapiens and H. sapiens neandertalensis. That changed, to the view that they were probably separate species, with analyses of new fossil finds. More recently, molecular biology techniques have enabled researchers to compare sapiens & […]

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