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Author(s): Pereira, L
Alshamali, F
Andreassen, R
Ballard, R
Chantratita, W
Cho, NS
Coudray, C
Dugoujon, JM
Espinoza, M
González-Andrade, F
Hadi, S
Immel, U-D
Marian, C
Gonzalez-Martin, A
Mertens, G
Parson, W
Perone, C
Prieto, L
Takeshita, H
Villalobos, HR
Zeng, Z
Zhivotovsky, L
Camacho, R
Fonseca, NA
Title: PopAffiliator: online calculator for individual affiliation to a major population group based on 17 autosomal STR genotype profile
Publisher: Springer Verlag
Issue Date: 2011
Abstract: Because of their sensitivity and high level of discrimination, short tandem repeat (STR) maker systems are currently the method of choice in routine forensic casework and data banking, usually in multiplexes up to 15-17 loci. Constraints related to sample amount and quality, frequently encountered in forensic casework, will not allow to change this picture in the near future, notwithstanding the technological developments. In this study, we present a free online calculator named PopAffiliator ( ) for individual population affiliation in the three main population groups, Eurasian, East Asian and sub-Saharan African, based on genotype profiles for the common set of STRs used in forensics. This calculator performs affiliation based on a model constructed using machine learning techniques. The model was constructed using a data set of approximately fifteen thousand individuals collected for this work. The accuracy of individual population affiliation is approximately 86%, showing that the common set of STRs routinely used in forensics provide a considerable amount of information for population assignment, in addition to being excellent for individual identification.
Subject: Online calculator
Genotype profile
Autosomal STRs
Individual affiliation
Source: International Journal of Legal Medicine, vol. 125(5), p. 629-36
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:I3S - Artigo em Revista Científica Internacional

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