The Genetic Heritage of the Earliest Settlers Persists Both in Indian Tribal and Caste Populations

Two tribal groups from southern India-the Chenchus and Koyas-were analyzed for variation in mitochondrial DNA (mtDNA), the Y chromosome, and one autosomal locus and were compared with six caste groups from different parts of India, as well as with western and central Asians. In mtDNA phylogenetic an...