Uncovering Ancient Genetic Strategies for Preventing Inbreeding

During the Stone Age in ⁤Western Europe, blood ⁢relations ⁣and kinship were‌ not the only important factors for hunter-gatherer communities.‍ A new genetic study conducted at well-known French Stone ‌Age burial sites revealed that multiple distinct families lived ​together, likely to avoid inbreeding.

The researchers obtained biomolecular ⁤data from human skeletons buried at iconic sites in France, such as Téviec, Hoedic in Brittany, and Champigny, dating ‌back⁤ to the last stages of⁣ the ⁣Mesolithic, approximately ‍6,700 years ago. ​This period overlapped with the Neolithic, when settled farmers took ⁤over.

This study ⁤is the first ⁤to analyze the genome of several​ Stone Age hunter-gatherers from the⁢ same place who lived at the same time as newly arrived Neolithic farming‌ communities.

Professor ⁣Mattias Jakobsson ‌from Uppsala University, who led the study, stated,⁢ “This gives a new picture of the⁤ last Stone Age hunter-gatherer populations ‍in Western Europe. ⁢Our study⁣ provides ​a unique opportunity to analyze these groups and their social dynamics.”

About 7,500 years ago, the last hunter-gatherer populations in ​Western ⁣Europe encountered incoming Neolithic​ farmers and were gradually ⁣replaced and assimilated. The coexistence of these groups has⁣ raised many questions about the extent to which they interacted.

2024-02-29 02:00:04
Link ⁢from phys.org

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