DNA Marker Index information for Chromosome: Y Marker: FGC74183.4Names and Aliases for this DNA Marker: FGC74183.4, rs1003490020.Chromosome Position in hg38 Human Genome assembly1: 15998092.Chromosome Position in hg19 assembly2: 18109972 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.