Population genetic analysis of 23 Y-STR loci in Central Argentine Patagonia
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Updated: Feb 7, 2026

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Published on: December 7, 2021
María L Parolin1, Camila Tamburrini2, Luciano E Real2
1Laboratorio de Identificación Genética (IDEGEN), Instituto de Diversidad y Evolución Austral (IDEAus) CCT-CONICET-CENPAT, Bvd. Brown 2915 (9120), Puerto Madryn, Chubut, Argentina. parolin@cenpat-conicet.gob.ar.
Abstract:
We analyzed 23 Y-STR haplotypes of 139 unrelated males from Central Argentine Patagonia. A total of 133 different haplotypes (127 singletons) were observed. Haplotype diversity was similar to that previously observed in other Argentine populations and matching probability showed a strong dependence on the sample size. AMOVA carried out with full haplotypes showed significant differences between different regions of the country. The multi-dimensional scaling plot showed Chubut sample in an intermediate position among Europe and other Patagonian populations. These results will contribute to increase the Y-chromosome haplotype reference database and constitute a useful tool for anthropological and forensic researches.
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