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Inference of Ancestry in Forensic Analysis II: Analysis of Genetic Data
Carla Santos1, Chris Phillips2, A Gomez-Tato3
1Forensic Genetics Unit, Luis Concheiro Institute of Forensic Sciences, Genomic Medicine Group, University of Santiago de Compostela, Galicia, 15782, Spain. carla.arcanjo.santos@gmail.com.
Abstract:
Three approaches applicable to the analysis of forensic ancestry-informative marker data-STRUCTURE, principal component analysis, and the Snipper Bayesian classification system-are reviewed. Detailed step-by-step guidance is provided for adjusting parameter settings in STRUCTURE with particular regard to their effect when differentiating populations. Several enhancements to the Snipper online forensic classification portal are described, highlighting the added functionality they bring to particular aspects of ancestry-informative SNP analysis in a forensic context.
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