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Population Identifiability From Forensic Genetic Markers: Ancestry Variation In Latin America, Cris E. Hughes, Bridget F.B. Algee-Hewitt, Lyle Konigsberg

Human Biology Open Access Pre-Prints

The Combined DNA Index System (CODIS) loci are a standard microsatellite marker set widely used for distinguishing among individuals in forensic DNA identity testing for medico-legal casework in the United States and in other countries. In anthropological genetic research, CODIS markers have become an important tool for uses extending beyond case investigations to quantify ancestry proportions, reveals patterns of admixture and trace population histories. These investigations are especially prevalent in studies of Latin American population structure. Nevertheless, the accuracy of the ancestry estimates computed from the CODIS loci for highly admixed Latino populations has not been formally tested. Long-standing arguments …