A distinctive human genetic lineage persisted in central Argentina for 8,500 years

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A distinctive human genetic lineage persisted in central Argentina for 8,500 years

www.nature.com

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NatureEnglish · 2 days ago

Nature, Published online: 26 November 2025; doi:10.1038/d41586-025-03649-6

The DNA of ancient individuals dating to between 10,000 and 150 years ago reveals the existence of a long-standing, yet previously uncharacterized, lineage in the Southern Cone of South America — a region comprising what is now Argentina, Chile and Uruguay. People with this ancestry produced offspring with other, pre-existing groups in surrounding regions. Genomic data from present-day inhabitants attest to the genetic continuity of the lineage in central Argentina.

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