DNA Marker Index information for Chromosome: Y Marker: A6240.1Names and Aliases for this DNA Marker: A6240.1, A6240, rs780612763.Chromosome Position in hg38 Human Genome assembly1: 20987482.Chromosome Position in hg19 assembly2: 23149368 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.