Figure 2.

Results of Principal Component Analysis (PCA) of tetraploid wheat accessions based on 369 SNP markers. Each dot represents the location of a wheat accession along the first two principal components. Black = wild emmer; purple = landrace emmer; red = durum; orange = rivet.

Oliveira et al. BMC Genetics 2014 15:54   doi:10.1186/1471-2156-15-54
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