Evaluating population structure of Ecuador for forensic STR markers

The continuous admixture events among Europeans, Native Americans, and Africans occurred differently throughout the Ecuadorian territory, creating a diversified genetic composition. Therefore, to evaluate how the genetic diversity is partitioned along the country for 15 STRs, 842 admixed-population...

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Bibliographic Details
Published in:Forensic science international. Genetics supplement series 2022-12, Vol.8, p.102-104
Main Authors: Flores-Espinoza, R., Angulo-Pozo, A.N., Garzón-Salazar, A., Cabrera-Andrade, A., Paz-Cruz, E., Burgos, G., Gusmão, L.
Format: Article
Language:English
Subjects:
Forensic databases
Likelihood ratio
Population structure
STRs
Theta-correction
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Summary:The continuous admixture events among Europeans, Native Americans, and Africans occurred differently throughout the Ecuadorian territory, creating a diversified genetic composition. Therefore, to evaluate how the genetic diversity is partitioned along the country for 15 STRs, 842 admixed-population samples were analyzed. We also evaluated the effect of applying an adjustment for population structure when estimating LRs using a national database. The results showed that to accurately assess forensic evidence, the use of a national database may be justified with the application of an appropriate adjustment for population structure.
ISSN:1875-1768
1875-175X
DOI:10.1016/j.fsigss.2022.09.036