Neandertals among us

Advances in analysis of ancient DNA and genetic testing have revealed that the Neandertals did not just disappear. They mated with modern humans when they met in Europe thousands of years ago and produced offspring with genes from both species. Modern humans of non-African origin have up to 3% Neandertal DNA. The people with the greatest concentration of Neandertal DNA are found in the region of Tuscany, Italy.
The story of human evolution is becoming clearer with the use of genetic testing. A tiny bone found in Denisova Cave in the Altai Mountains of Siberia provided DNA of previously unknown people which were different from Neandertals and modern humans. It turned out that these Denisovan people actually contributed 3% to 5% of their DNA to modern Melanesians and Australian Aborigines. The importance of the tiny bone would not have been recognized without genetic testing of its DNA.
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