Assessing the forensic efficiency of the GlobalFiler STR loci among the genetically isolated Chechen subpopulation in Jordan
2019
AL-Eitan, Laith N. | Darwish, Nizar N. | Hakooz, Nancy M. | Dajani, Rana B.
Short tandem repeats (STRs) are a widely utilized tool in forensic applications, the latter of which range from human identification and paternity testing to population analysis. The GlobalFiler STR loci, which includes 21 autosomal STRS, were analyzed in the Chechen subpopulation of Jordan. Whole blood samples were withdrawn from 159 Jordanian Chechen individuals, and genomic DNA was extracted from each sample. The GlobalFiler™ kit PCR Amplification Kit amplified and analyzed the STR loci on the 3130xl Genetic Analyzer using GeneMapper ID-X software. The combined match probability for the 21 autosomal STR loci was calculated to be 1.06 × 10−24, a number that is highly discriminatory and informative. The SE33 (0.983) and TPOX (0.806) loci exhibited the highest and lowest powers of discrimination, respectively. Conclusively, the current study indicates that the GlobalFiler loci have a high utility in the Jordanian Chechen population, possibly paving the way for the future establishment of a reference population database in Jordan.
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