DNA Marker Index information for Chromosome: Y Marker: FGC20931.1Names and Aliases for this DNA Marker: FGC20931.1, FGC20931.Chromosome Position in hg38 Human Genome assembly1: 8548679.Chromosome Position in hg19 assembly2: 8416720 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.