DNA Marker Index information for Chromosome: Y Marker: FGC57746Names and Aliases for this DNA Marker: FGC57746, rs902482417.Chromosome Position in hg38 Human Genome assembly1: 19039731.Chromosome Position in hg19 assembly2: 21201617 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.