DNA Marker Index information for Chromosome: Y Marker: FGC31305Names and Aliases for this DNA Marker: FGC31305, rs866923656.Chromosome Position in hg38 Human Genome assembly1: 8027216.Chromosome Position in hg19 assembly2: 7895257 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.