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. 2016 Apr 21;7:525. doi: 10.3389/fpls.2016.00525

FIGURE 6.

FIGURE 6

Principal component analysis of all 782 samples for the SNPs located within the putative genomic inversion on chromosome C02. The principal component analysis (PCA) was conducted using only the SNPs located between 23,325,687 and 32,393,406 bp on chromosome C02, corresponding to region of interest ROI 2. The first two PCs are represented. Samples are labeled according to membership in each of the three major subpopulations: winter Europe (WE), winter Asia (WA), spring (SP). Samples of winter America (WAm) which do not belong to any of the three major subpopulations are also shown.