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. 2021 May;135(3):783-785.
doi: 10.1007/s00414-020-02453-3. Epub 2020 Nov 3.

Forensic and phylogenetic analyses of populations in the Tibetan-Yi corridor using 41 Y-STRs

Guang-Yao Fan  1 , Zhen-Qing Zhang  2 , Pei-Zhi Tang  3 , Dan-Lu Song  3 , Xing-Kai Zheng  3 , Yi-Jun Zhou  4 , Meng-Nan Liu  4
Affiliations

Forensic and phylogenetic analyses of populations in the Tibetan-Yi corridor using 41 Y-STRs

Guang-Yao Fan et al. Int J Legal Med. 2021 May.

Abstract

Y-chromosome haplotypes of 527 non-related males (176 Han, 186 Tibetan, and 165 Yi) in the Tibetan-Yi corridor were analyzed using SureID® PathFinder Plus. In the populations of Han, Tibetans, and Yi, the haplotype diversity was 0.9989, 0.9981, and 0.9993, respectively, and the discrimination capacity was 0.9148, 0.8925, and 0.9576, respectively. Phylogenetic relationships among 12 studied ethnic groups and 7 other ethnic groups in the Tibetan-Yi corridor were investigated. Both multi-dimensional scaling analysis and phylogenetic reconstructions indicated that Tibetans appeared separated from the Han and Yi ethnic groups in the Tibetan-Yi corridor. Their genetic homogeneity or heterogeneity has not entirely been affected by their geographical distance and linguistic origin.

Keywords: Forensic genetics; Phylogenetic reconstruction, Population genetics, Tibetan-Yi corridor; Y-chromosomal STR.

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