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  • Title: [A study of genetic polymorphism of the STR locus D7S2846, D19S400 and D18S535 in Han population in Wenzhou].
    Author: Zhang HQ, Wu SZ, Bi YT.
    Journal: Fa Yi Xue Za Zhi; 2004; 20(3):160-1. PubMed ID: 15495810.
    Abstract:
    OBJECTIVE: To study genetic polymorphism of D7S2846, D19S400 and D18S535 in Han population in Wenzhou. METHODS: DNA was extracted with chelex-100 method from EDTA-blood samples of 194 unrelated individuals in Wenzhou and amplified with PCR technique. The PCR products were analyzed by PAG vertical electrophoresis and silver-stain. RESULTS: 6 alleles and 15 genotypes of D7S2846, 10 alleles and 36 genotypes of D19S400, 8 alleles and 26 genotypes of D18S535 was observed. The heterozygosities of the three loci are 0.644, 0.724 and 0.772; The power of discriminating are 0.854, 0.940 and 0.938. CONCLUSION: The heterozygosities of the three loci are high and the frequencies was in accordance with Hardy-Weinberg equilibrium (P>0.05), so the three loci can be used in forensic medicine and in other genetic researches.
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