From: Genetic affinities among the lower castes and tribal groups of India: inference from Y chromosome and mitochondrial DNA
Percentage of Variance
Population Groups
mtDNA HVR I
Y-Chromosome
Among the tribal groups
6.38
2.18
Between tribes and lower castes
0.50
1.0
Between tribes and upper castes
0.93
6.17
Between lower and upper castes
0.46
4.72