DNA Marker Index information for Chromosome: Y Marker: FGC20588Names and Aliases for this DNA Marker: FGC20588, rs902242518.Chromosome Position in hg38 Human Genome assembly1: 12963943.Chromosome Position in hg19 assembly2: 15075853 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: G.