Fig. 1From: Population and breast cancer patients’ analysis reveals the diversity of genomic variation of the BRCA genes in the Mexican populationPrincipal component analysis of the Mexican Genome Diversity Project samples included. European and African samples from the International HapMap Project were included as references. a The PCA shows that the mestizo (admixed populations) are located between the Amerindian samples (ZAP, Zapoteco; MAY, Maya; TEPEH, Tepehuano) and the European samples, in a wide distribution defined by the percentage of Amerindian-European Ancestry. b Ancestry proportions of each sampleBack to article page