The scientists found Caucasians in Britain can be divided into 17 genetic groups living in different parts of the country, as shown in the diagram above. Each group had varying amounts of European DNA in their genes
DNA secrets of Ice Age Europe unlocked. Researchers analysed the genomes of 51 individuals who lived between 45,000 years ago and 7,000 years ago. The results reveal details about the biology of these early inhabitants, such as skin and eye colour, and how different populations were related. It also shows that Neanderthal ancestry in Europeans has been shrinking over time, perhaps due to natural selection.
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