DNA Marker Index information for Chromosome: Y Marker: FGC81931Names and Aliases for this DNA Marker: FGC81931, Y134951.Chromosome Position in hg38 Human Genome assembly1: 3043460.Chromosome Position in hg19 assembly2: 2911501 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.