STR基因座群體遺傳學(xué)的研究及數(shù)據(jù)分析軟件的開發(fā)與應(yīng)用
[Abstract]:Objective to study the population genetics and allelic sequence characteristics of D15S659 and D9S925 loci, accumulate population genetic data, and explore the value of forensic application to provide new candidate genetic markers for forensic genetics. Methods the venous blood samples were collected from 109 unrelated individuals of Han nationality in East China. The D15S659 and D9S925 loci were amplified by PCR with DNA, extracted by Chelex method, and typed by vertical electrophoresis of nondenatured polyacrylamide gel continuous buffer system. The allele frequency, genotype count and forensic population genetic data of each locus were obtained by statistical analysis of typing results with Modified-Powerstats standard software. Results the alleles of D15S659 and D9S925 loci were 8 and 6, heterozygosity were 0.826 and 0.798, personal identification rates were 0.944 and 0.894, non-paternal exclusion rates were 0.648 and 0.596, respectively. Conclusion the allelic frequencies of D15S659 and D9S925 loci are well distributed and the amount of polymorphic information is large in the Han population in East China. It has high non-paternal exclusion rate and personal recognition ability and is suitable for forensic application. It is an ideal candidate STR locus for population genetics and forensic science.
【學(xué)位授予單位】:四川大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2006
【分類號】:R394
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