Rome changed Iberia’s ancestry more than the migrations that followed

Researchers analyzed ancient DNA from 243 individuals who lived in Iberia between 100 and 800 CE, alongside data from 58 previously studied individuals, to examine how Roman rule and early medieval migrations affected population ancestry. They found substantial Eastern Mediterranean- and North African-related ancestry contributions during Roman times, while later migrations introduced Central-Northern European ancestry without widespread replacement of the Hispano-Roman population.

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