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

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 capaci...

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Bibliographic Details
Published in:International journal of legal medicine 2021-05, Vol.135 (3), p.783-785
Main Authors: Fan, Guang-Yao, Zhang, Zhen-Qing, Tang, Pei-Zhi, Song, Dan-Lu, Zheng, Xing-Kai, Zhou, Yi-Jun, Liu, Meng-Nan
Format: Article
Language:English
Subjects:
Chromosomes
Dimensional analysis
Ethnic factors
Forensic Medicine
Heterogeneity
Homogeneity
Medical Law
Medicine
Medicine & Public Health
Minority & ethnic groups
Phylogenetics
Population Data
Population genetics
Populations
Y chromosomes
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Summary: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.
ISSN:0937-9827
1437-1596
DOI:10.1007/s00414-020-02453-3