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  • Title: [Genetic polymorphisms of three STR loci on chromosome X and their forensic application in a Chinese Han population].
    Author: Shi MS, Ying BW, Deng JQ, Li YB, Wu J, Yan J, Zhang J, Hou YP.
    Journal: Sichuan Da Xue Xue Bao Yi Xue Ban; 2004 Jul; 35(4):473-6. PubMed ID: 15291102.
    Abstract:
    OBJECTIVE: To understand the allele structure and genetic polymorphism at three STR loci on chromosome X in Chinese Han population and make an evalution of their forensic application. METHODS: EDTA-blood samples were collected from the unrelated individuals in Chengdu, China. After being extracted with Chelex method, the DNA samples were amplified by PCR technique. The PCR products were analyzed by PAG electrophoresis and the approach of automated fluorescence detection. Hardy-Weinberg equilibrium of females was tested and every forensic interested value was calculated. RESULTS: The polymorphisms of all 3 STR loci were obtained from 100 unrelated females and 120 unrelated males from Chinese Han ethnic group. Chi-square tests on the genotype frequencies in females did not reveal deviations from Hardy-Weinberg equilibrium. CONCLUSION: The obtained data are beneficial to understanding the population genetics of the three STR loci in Chinese Han population. For forensic genetics, the obtained data can be used to calculate the probabilities dealing with the paternity test and the individual identification.
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