DNA Marker Index information for Chromosome: Y Marker: S2784Names and Aliases for this DNA Marker: S2784, V1148, rs745408556.Chromosome Position in hg38 Human Genome assembly1: 3015840.Chromosome Position in hg19 assembly2: 2883881 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.