Figure 4.

Genetic distances for mitochrondrial data. A neighbor-joining network depicts the genetic distance estimates between South Indian castes, Europeans, and East Asians for 32 mtDNA SNPs and 411 bp of HVS1 sequence. Pie diagrams indicate the proportion of major mtDNA lineages found in each population. The inset shows the proportion of mtDNA U sub-lineages. Inset circle size is proportional to the total number of U lineages.

Watkins et al. BMC Genetics 2008 9:86   doi:10.1186/1471-2156-9-86
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