Principal coordinate analysis of cat breeds and worldwide random bred cat populations. Colour shades indicate the population membership of the respective random bred populations as determined by Kurushima (2011). Green, European or European-derived; light blue, Eastern Mediterranean; dark blue, Egypt; purple, Iraq/Iran; light pink, Arabian Sea; dark pink, India; light orange, Southeast Asia; dark orange, East Asia; white, pedigreed breed groups. a) SNPs as calculated by Reynold’s genetic distance (Reynolds et al. 1983); b) STRs as calculated by Nei’s genetic distance.