Figure 4From: Inference of human continental origin and admixture proportions using a highly discriminative ancestry informative 41-SNP panelPC plots of 4,018 reference subjects based on genotype data from the 41-AIM panel. Subjects are color coded according the geographic sample origin. Admixed populations, African Americans and Mexicans are indicated by open symbols (see text). The % of variation explained ranges from 27.6% for PC1 to 6.2% for PC3.Back to article page