DNA Marker Index information for Chromosome: Y Marker: A12149.1Names and Aliases for this DNA Marker: A12149.1, A12149, rs778650751.Chromosome Position in hg38 Human Genome assembly1: 16462105.Chromosome Position in hg19 assembly2: 18573985 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: G.