title: [Genetic polymorphisms of 9 STR loci in Dongxiang ethnic group of China].
abstract: Genetic distribution for nine STR loci was determined in a Chinese Dongxing ethnic group based on STR genescan marked by fluorescence. Seventy-two alleles and 182 genotypes were observed in 94 unrelated Chinese Dongxiang individuals,with the corresponding gene frequency and genotype frequency being 0.0053-0.5825 and 0.0106-0.2660 respectively. The genotypes of nine STR loci were in accordance with the Hardy-Weinberg equilibrium (P>0.05). The statistical analysis of nine STR loci showed PIC (polymorphism information content, PIC) = or > 0.6378, H(heterozygosity, H) = or > 0.6500, DP (discrimination power, DP) = or > 0.8216, PPE (probabilities of paternity exculation, PPE) = or > 0.4903. The result indicated that there was a significant difference between Dongxiang ethnic group and the white and the black. There was no significant difference in Han nationality. These result filled the Dongxiang ethnic group-a specific group of Chinese into the genetic database and played an important role in Chinese population genetic study and forensic medicine application.
authors.affiliation: Forensic Medicine Department of Medical College of Xi'an Jiaotong University, Xian 710061, China. chenteng5105@sina.com
authors.forename: Teng
authors.initials: T
authors.lastname: Chen
authors.forename: Lin-Lin
authors.initials: LL
authors.lastname: Zhang
authors.forename: Jiang-Hua
authors.initials: JH
authors.lastname: Lai
authors.forename: Hai-Bo
authors.initials: HB
authors.lastname: Zheng
authors.forename: Zhan-Hai
authors.initials: ZH
authors.lastname: Wang
authors.forename: Jian
authors.initials: J
authors.lastname: Wang
authors.forename: Song-Nian
authors.initials: SN
authors.lastname: Hu
authors.forename: Sheng-Bin
authors.initials: SB
authors.lastname: Li