Principal component (PC) analysis of 450 maize germplasm genotyped with 1065 SNPs. PC1 (5.3%) and PC2 (3.4%) separated the lines into 3 major groups. The groups from PCA supports the presence of population structure at K = 3. Individuals that were assigned in to a mixed group in the population structure analysis are indicated in red color.
Semagn et al. BMC Genomics 2012 13:113 doi:10.1186/1471-2164-13-113