Figure 4From: Prevalence of single nucleotide polymorphism among 27 diverse alfalfa genotypes as assessed by transcriptome sequencingPlot of the first two principal components from a principal components analysis of SNP variation among 27 alfalfa genotypes. Blue solid circles represent tetraploid sativa; red solid circle represents tetraploid falcata; blue triangles represent diploid caerulea; red triangles represent diploid falcata.Back to article page