Add Yahoo as a preferred source to see more of our stories on Google. A genetic match to an ancient person doesn't mean you're more related genealogically. Mark Edward Atkinson/Tetra Images via Getty ...
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Viking DNA helps reveal when HIV-fighting gene mutation emerged: 9,000 years ago near the Black Sea
A gene variant that helps protect people from HIV infection likely originated in people who lived during the span of time between the Stone Age and the Viking Age, a new study of thousands of genomes ...
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