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. 2010 Jan 13;5(1):e8219. doi: 10.1371/journal.pone.0008219

Figure 6. Principal components analysis (PCA) plots from grapevine SNP data.

Figure 6

The first two PCs are shown with the proportion of the variance explained by each PC in parentheses. Panel A shows a PCA plot generated from 14,325 SNPs called from the Illumina GA without regard to segregation pattern. Panel B shows a PCA plot from the Vitis9KSNP array data, whose SNPs were chosen purposely to distinguish among V. vinifera cultivars.