(a) Mean pairwise Fst comparison of the Tharu from various South and East/Southeast Asian language and ethnic groups obtained from the autosomal SNP data. (b) Principal component analysis (PCA) of the combined autosomal genotypic data of individuals from South and East/Southeast Asia; (c) Results of the populationwise ADMIXTURE analysis (K=9) of world population projecting South and East/Southeast Asian populations. AA, Austroasiatic; C Asian, Central Asian; DRA, Dravidian; IE, Indo-European; TB, Tibeto-Burman.