Abstract
133 candidate Y-STR loci were selected from NCBI STS database or by bioinformatics analysis in human Y-chromosome sequence, and were screened among 48 DNA samples around the world. Forty-one Y-STRs with high allelic frequency were validated, 36 of which were first reported. Two hundred haplotypes of the 41 STRs were identified among 200 randomly sampled male individuals in Shanghai, indicating 100% inter-individual discrimination. By network analysis of haplotypes of the 41 STRs among nine Jiang-surname male individuals with no consanguinity within 5 generations from a Jiang-surname individual gathering at Jiangshan, Zhejiang Province, and 7 Jiang-surname male individuals from the random shanghai population, 6 Jiang-surname individuals from Jiangshan were close with only 2-4 STR locus difference. These 41 Y-STR loci provide enough information by which individuals from each other with different early modern family origin can be effectively distinguished. This will promote studies on identification of non-lineal relationship in forensics, ancestry location of oversea Chinese, the surname origin and evolution, origin and migration of modern humans and many other studies of Contemporary Anthropology.
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