Though it was disputed for many years, there is conclusive evidence that Neanderthals bred with modern humans (Homo sapiens). The first complete mapping of a Neanderthal genome took place about five years ago - supporting the human-Neanderthal hook-up and also showing that Neanderthal DNA in humans is a thing. One study showed that non-African people have approximately 1 to 4 percent Neanderthal DNA. And two more studies show that collectively, the 20% of the Neanderthal DNA can be found in modern humans today. Those genes have an influence on a range of areas: hair, skin, and disease. [[{"type":"media","view_mode":"media_large","fid":"47259","attributes":{"alt":"The homme de Spy (\"Man from Spy\") (boris doesborg/ CC BY NC SA 2.0 ), and other stereotypical reconstructions of what Neanderthals may
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