DNA Marker Index information for Chromosome: Y Marker: BY19677Names and Aliases for this DNA Marker: BY19677, FGC64939, rs1047721887.Chromosome Position in hg38 Human Genome assembly1: 7152368.Chromosome Position in hg19 assembly2: 7020409 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.