DNA Marker Index information for Chromosome: Y Marker: YP977Names and Aliases for this DNA Marker: YP977, FGC21222, rs955969558.Chromosome Position in hg38 Human Genome assembly1: 9579880.Chromosome Position in hg19 assembly2: 9417489 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.