Fig. 3: Principal component analysis. | npj Genomic Medicine

Fig. 3: Principal component analysis.

From: Ethnic-specific association of amylase gene copy number with adiposity traits in a large Middle Eastern biobank

Fig. 3

Scatterplot of the first two principal components assessed on ancestry-informative SNPs of 2,935 individuals from Qatar (see “Methods” section). Individual data points are color-coded according to previously described major ethnic ancestry: Arabs (red), Persians (light blue), and East Africans (green). Admixed individuals (purple) are those whose majority ancestry cannot be assigned to one group.

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