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Increased efficiency in geographic ancestry assignment and human identification by combining lineage profiles: The
Sergio Tofanelli1, Stefania Bertoncini, Shirin Farjadian
1Dipartimento di Biologia, Università di Pisa, Pisa, Italy.
Objectives:
This research is a first empirical attempt to quantify the increase of the among-groups variance and the probative value of a DNA evidence when combining profiles based on markers with uniparental inheritance.
Methods:
Yfiler and HVS-I panels of loci were analyzed in 130 healthy unrelated males from six Iranian native groups.
Results:
A separate analysis of DNA profiles at the two lineage markers failed to detect a population substructure, whereas maximum levels of genetic diversity (HD = 1) and discrimination capacity (DC = 1) were obtained by combining the two profiles.
Conclusions:
When combined, the forensic efficiency of routinely used panels of lineage markers can be largely sufficient to resolve cases of geographic ancestry and human identification even in genetically homogeneous populations.
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