DNA Marker Index information for Chromosome: Y Marker: S3331Names and Aliases for this DNA Marker: S3331, FGC7933, rs992912121.Chromosome Position in hg38 Human Genome assembly1: 13589160.Chromosome Position in hg19 assembly2: 15701040 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.