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Chinese Journal of Medical Genetics ; (6): 259-261, 2003.
Artigo em Chinês | WPRIM | ID: wpr-248443

RESUMO

<p><b>OBJECTIVE</b>This article reports a population genetic study on six short tandem repeat(STR) loci, D7S820, D19S253, D12S391, D5S818, D16S539 and D8S1179, in a sample of unrelated Chinese Han individuals(n=122-173) living in Hebei province.</p><p><b>METHODS</b>DNA extraction from blood samples (200 in number) and multiplex amplification of the above six loci were carried out. Using denaturing polyacrylamide gel electrophoresis and silver stain, the authors investigated the distribution of allele frequencies of the six loci in Han population in Hebei province.</p><p><b>RESULTS</b>The STR polymorphisms at all of the six loci were observed in Chinese Han population in Hebei province. The observed heterozygosities of D7S820, D19S253, D12S391, D5S818, D16S539 and D8S1179 were 0.828, 0.757, 0.769, 0.837, 0.785 and 0.852, respectively. The measured values of the power of discrimination (PD) were 0.914, 0.919, 0.940, 0.909, 0.917, 0.944; of the mean exclusion chance(MEC) 0.618, 0.740, 0.801, 0.557, 0.655, 0.696 and of the polymorphism information content (PIC) in Chinese 0.771, 0.760, 0.762, 0.708, 0.776 and 0.794, respectively.</p><p><b>CONCLUSION</b>The genotype distributions of the six STR were in accordance with Hardy-Weinberg equilibrium. The numerical values of the PD and MEC are relatively high in Hebei province, and thus can be of significant application in population genetics and forensic medicine.</p>


Assuntos
Feminino , Humanos , Masculino , Povo Asiático , Genética , China , Etnologia , DNA , Frequência do Gene , Genética Populacional , Repetições de Microssatélites , Genética , Polimorfismo Genético , Grupos Populacionais , Sequências de Repetição em Tandem , Genética , Fisiologia
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