
Confirmation of subspecies status in chimpanzees and gorillas using PCA of autosomal SNPs. PCA plots based on autosomal SNP variation: (A) the eight chimpanzees sequenced here (crosses), plus 25 published individuals (Prado-Martinez et al. 2013) of known subspecies status (circles); (B) the four gorillas sequenced here (crosses), plus 44 published individuals (Prado-Martinez et al. 2013; Xue et al. 2015) of known subspecies status (circles). (PTT) Pan troglodytes troglodytes; (PTS) P. t. schweinfurthii; (PTE) P. t. ellioti; (PTV) P. t. verus; (GGG) Gorilla gorilla gorilla; (GGD) G. g. diehli; (GBB) G. beringei beringei; (GBG) G. b. graueri.











