Abstract
We genotyped 23 Y-STR loci (DYS576, DYS389I, DYS448, DYS389II, DYS19, DYS391, DYS481, DYS549, DYS533, DYS438, DYS437, DYS570, DYS635, DYS390, DYS439, DYS392, DYS643, DYS393, DYS458, DYS385a/b, DYS456, and GATA-H4) in a sample of 109 unrelated male Chinese people residing in Minnan area and compared the results with those from our previous study on 12 Y-STR. The haplotype diversity and the discrimination capacity of the 23 Y-STR reached 0.9903 and 0.9725, respectively, and the genetic diversity for each locus ranged from 0.321 (DYS391) to 0.955 (DYS385). Besides, we observed a strong correlation between the number of Y-STR markers and the substantial improvement of forensic parameters used to discriminate between individuals. The results indicated that these highly polymorphic Y-STR markers were useful for human identification in forensic cases and paternity tests within the Minnan Han Chinese population.
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