ALLELE FREQUENCY ANALYSIS OF 23 AUTOSOMAL STR LOCI IN 150 CAMBODIAN MIGRANTS IN THAILAND

Abstract

This study evaluated allele frequencies and forensic parameters of 23 autosomal short tandem repeat (aSTR) loci in 150 genotypes from a Cambodian population residing in Thailand, stored in the Thailand DNA database of the Office of Police Forensic Science. SE33 exhibited the highest degree of genetic polymorphism, making it the most informative locus, while TPOX was the least informative. The combined power of discrimination (CPD) and the combined power of exclusion (CPE) for the 23 aSTR loci were both at 0.9999. Therefore, the allele frequency data from this study can serve as a reference for identifying allele differences in other populations and can further enhance the accuracy of forensic human identification and kinship testing.