Fig. 3From: Imputation of genotypes in Danish purebred and two-way crossbred pigs using low-density panelsPrincipal components analysis on the matrix of genomic relationships within breeds. The first two main principal components are presented on the x-axis and y-axis, respectively. The proportions of variability across individuals explained by PC1 and PC2 were 22.92 % and 0.88 %, respectivelyBack to article page