The Onge Andamanese were observed to be related to the ASI through maternal subgroup of M mtDNA, and were unique in that they were the only South Asian population in the study that lacked any Ancestral North Indian admixture.
The Onge Andamanese were observed to be related to the ASI through maternal subgroup of M mtDNA, the estimated split between the ASI and Andamanese groups is dated around 42,500 ybp. Andamanese are unique in that they were the only South Asian population in the study that lacked any Ancestral North Indian admixture.