Fig. 1From: Genome variation in tick infestation and cryptic divergence in Tunisian indigenous sheepGenetic structure of the two cohorts (HR (high resistant), LR (low resistant)) of Tunisian sheep. a, b, c and d PCA cluster analysis showing PC1 and PC2; e Cross-validation plot for admixture analysis;f Admixture analysis plot showing the genetic backgrounds present in the study cohorts for 2≤K≤5Back to article page