Most humans alive today can trace a very small percentage of their DNA to Neanderthals. However, Neanderthal DNA is slightly more abundant in the genomes of certain populations.
A new analysis of ancient genomes is deepening scientists’ understanding of the Neanderthal DNA carried by human populations in Europe and Asia — genetic traces that may have medical relevance today. The finding, published Wednesday in the journal Science Advances, tracks the genetic legacy of the archaic relatives of our species, Homo sapiens, with more precision, thanks to a critical mass of invaluable data, according to the researchers.
Diluting the genome The study team mined information from a database of more than 4,000 ancient genomes from across Europe and Asia collected by a team led by Dr. David Reich, professor of genetics and human evolutionary biology at Harvard Medical School in Boston.
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