DNA Marker Index information for Chromosome: Y Marker: FGC23774Names and Aliases for this DNA Marker: FGC23774, rs1039974926.Chromosome Position in hg38 Human Genome assembly1: 16145151.Chromosome Position in hg19 assembly2: 18257031 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.