Research Confirms That 20% of the Neanderthal Genome Can Be Found In Modern Humans
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.