Table 2.

Estimates of ancestry proportions of 18 mainland Indian populations under the best-fitting ADMIXTURE model with (K = 4) four ancestral components

Population	ANI	ASI	AAA	ATB
KSH	0.9793	0.0149	0.0045	0.0013
GBR	0.8823	0.0759	0.0412	0.0006
WBR	0.7663	0.0994	0.101	0.0332
MRT	0.5751	0.2141	0.2105	0.0003
IYR	0.8046	0.111	0.0837	0.0007
PLN	0.4902	0.2761	0.2331	0.0006
KAD	0.0895	0.7681	0.1414	0.0011
IRL	0.0532	0.9255	0.0213	0
PNY	0.0252	0.9696	0.0052	0
GND	0.3697	0.193	0.3756	0.0617
HO	0.0475	0.1705	0.7116	0.0704
SAN	0.0347	0.1933	0.6398	0.1321
KOR	0.0181	0.0471	0.9091	0.0257
BIR	0.0082	0.0054	0.9864	0
MPB	0.2635	0.0512	0.0351	0.6502
THR	0.0935	0.0951	0.0447	0.7667
TRI	0.0156	0.0084	0.0117	0.9643
JAM	0.0149	0.0044	0.0031	0.9776

Names of the four populations in bold are identified with the four distinct ancestries.