Figure 2: Population stratification of various chicken breeds.

(A) Results of principal component analysis (PCA) of 15 chicken breeds. PC1 (x-axis) versus PC2 (y-axis). PC1 and PC2 represent 12.85% and 11.08% of the total variance in the PCA, respectively. (B) Linkage disequilibrium (LD) pattern of GA, KNC, and LH.