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- Title
Forensic parameters and genetic structure analysis of 30 autosomal InDels of the population in Freetown, Sierra Leone.
- Authors
Wang, Han; Marah, Foday Ambrose; Moseray, Moses; Zeye, Moutanou Modeste Judes; Liu, Ying; Li, Jienan; Zha, Lagabaiyila
- Abstract
As the origin of modern humanity, African populations show high genetic diversity and are attracting increasing academic attention. However, populations living in West Africa have so far received less study and exploration. In this study, we analyze 30 insertion/deletion (InDel) loci of 516 samples from Freetown, Sierra Leone, to evaluate the forensic properties and reveal the genetic structure in Freetown, Sierra Leone, West Africa. No significant linkage disequilibrium (LD) between 30 InDels was observed after the Bonferroni correction. The random match probability (RMP), the combined power of exclusion for duos (CPE duos), and the combined power of exclusion for trios (CPE trios) were 6.823 × 10−11, 0.9168, and 0.9731, respectively. Null alleles and off-ladder alleles were observed, suggesting that we should be cautious when using this kit for forensic caseworks in African populations. In the population comparison study, we found that the Freetown population is genetically closer to geographically distinct West Africans and has a closer genetic relationship with the Bantu-speaking populations than other African populations.
- Subjects
FREETOWN (Sierra Leone); WEST Africa; AFRICANS; BONFERRONI correction; LINKAGE disequilibrium; FORENSIC genetics; ALLELES
- Publication
International Journal of Legal Medicine, 2021, Vol 135, Issue 3, p767
- ISSN
0937-9827
- Publication type
Article
- DOI
10.1007/s00414-020-02417-7