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To investigate the genetic polymorphism of FIBRA,DHFRP2 and ACTBP2 in Yunnan Han population as well as their application in forensic science, EDTA-blood specimens were collected from 200 healthy individuals. The DNA were extracted either by the Chloro form, phenol method or by the Chelex-100 method. The PCR products were analyzed by PAG vertical electrophoresis,following by silver staining. All gene frequencies, discrimination power (DP), exclusion of paternity probability (EPP), heterozygosity (H),polymorphisms information content (PIC),matching probability (PM) as well as the Hardy-Weinberg test were calculated. The obtained data are beneficial in the understanding of population genetics of the three STR loci in Yunnan Han population and the results suggest that these loci are valuable genetic markers for paternity testing and personal identification in forensic science practice. |
