DNA Marker Index information for Chromosome: Y Marker: S3997Names and Aliases for this DNA Marker: S3997, B319, rs758539174.Chromosome Position in hg38 Human Genome assembly1: 6764361.Chromosome Position in hg19 assembly2: 6632402 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.