AI Summary

A University of Turku team analyzed DNA from individuals buried in southwestern Finland and Häme dating to the 11th‑13th centuries to trace population shifts across the Late Iron Age and Middle Ages. The study compared how these groups linked to other Baltic‑Sea regions and found a pronounced divergence between coastal and inland genetic histories. Yet, in the Early Medieval window of 1050‑1250 CE, the coastal and inland populations of southwestern Finland were genetically almost identical, even though their cultures and economies differed.

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