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  • Title: [Genetic polymorphism of 8 STR loci on short arm of chromosome 3].
    Author: Xiong W, Zeng ZY, Xiong F, Shen SR, Li XL, Li WF, Wang R, Fan SQ, Yang YX, Zhou HD, Zhou M, Li GY.
    Journal: Zhonghua Yi Xue Yi Chuan Xue Za Zhi; 2003 Oct; 20(5):413-6. PubMed ID: 14556195.
    Abstract:
    OBJECTIVE: To get the genotype and allele frequency distributions of 8 short tandem repeat (STR) loci on chromosome 3p (D3S1297, D3S1489, D3S1266, D3S1568, D3S1289, D3S1300, D3S1285 and D3S3681) in Chinese Han population in Hunan area. METHODS: Blood samples were collected from the random Han individuals in Hunan and the whole genomic DNA was extracted. STR loci were amplified by multiplex-PCR technique and genotyped by ABI 377 sequencer. RESULTS: Ninety-one alleles were detected, with frequencies ranging from 0.002 to 0.431, and these alleles constituted 312 genotypes. All the 8 loci met Hardy-Weinberg equilibrium. The statistical analysis of 8 STR loci showed the heterozygosity (H) >or= 0.729, the discrimination power (DP) >or= 0.725, the probabilities of paternity exclusion (PPE) >or= 0.596, and the polymorphic information content (PIC >or= 0.682). The result indicated that there was a significant difference between Han ethnic group and the white and the black. CONCLUSION: These results could serve as valuable data to enrich the Chinese genetic database and play an important role in Chinese population genetic and forensic medical application.
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