Abstract

Blood samples were collected from unrelated individuals of Chinese Han ethnic group in Chengdu of China. DNA was extracted using Chelex method (1). PCR amplification conditions can be accessed at http://www.legalmed.org/dna/D9S1118.htm. The PCR products were analyzed by horizontal non-denaturing polyacrylamide gel electrophoresis with discontinuous buffer system and visualized by silver staining (2). The allele classification for each STR locus was based on the number of repeat motifs according to the recommendations of the International Society of Forensic Haemogenetics (3), which now is known as the Interna tional Society of Forensic Genetics, ISFG. The alleles at D20S161 locus was named according to Susukida et al. (4). Data were analyzed using POWERSTATS program (5). The genotype distribution was analyzed for Hardy-Weinberg equilibrium according to Hou's method (6) and no deviation from Hardy-Weinberg equilibrium was observed.

Author Information

Sun, DH
Institute of Forensic Medicine, Sichuan University (West China University of Medical Sciences), Chengdu, Sichuan, P. R. China Forensic Medical Examination Center of Chengdu Public Security Bureau, Chengdu, Sichuan, P. R. China
Hou, YP
Institute of Forensic Medicine, Sichuan University (West China University of Medical Sciences), Chengdu, Sichuan, P. R. China
Li, YB
Institute of Forensic Medicine, Sichuan University (West China University of Medical Sciences), Chengdu, Sichuan, P. R. China
Wu, J
Institute of Forensic Medicine, Sichuan University (West China University of Medical Sciences), Chengdu, Sichuan, P. R. China
Mao, J
Forensic Medical Examination Center of Chengdu Public Security Bureau, Chengdu, Sichuan, P. R. China
Wang, H
Forensic Medical Examination Center of Chengdu Public Security Bureau, Chengdu, Sichuan, P. R. China
Zhang, J
Institute of Forensic Medicine, Sichuan University (West China University of Medical Sciences), Chengdu, Sichuan, P. R. China
Ding, Y
Forensic Medical Examination Center of Chengdu Public Security Bureau, Chengdu, Sichuan, P. R. China
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Stock #: JFS2003076
ISSN: 0022-1198
DOI: 10.1520/JFS2003076