DNA Marker Index information for Chromosome: Y Marker: BY156691.1Names and Aliases for this DNA Marker: BY156691.1, BY156691, Y135036, rs955031423.Chromosome Position in hg38 Human Genome assembly1: 15496228.Chromosome Position in hg19 assembly2: 17608108 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.