Ancient DNA from Neandertals and early modern humans has recently shown that the groups likely interbred somewhere in the Near East after modern humans left Africa some 50,000 years ago. As a result, all people outside Africa carry around 2% to 3% Neandertal DNA.
In modern human genomes, those Neandertal DNA segments became increasingly shorter over time and their length can be used to estimate when an individual lived.
Archaeological data published last year furthermore suggests that modern humans were already present in southeastern Europe 47-43,000 years ago, but due to a scarcity of fairly complete human fossils and the lack of genomic DNA, there is little understanding of who these early human colonists were – or of their relationships to ancient and present-day human groups. [Read more…] about Neanderthal ancestry identifies oldest modern human genome
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