DNA Marker Index information for Chromosome: Y Marker: FGC28639.2Names and Aliases for this DNA Marker: FGC28639.2, YP556.2, rs771454631.Chromosome Position in hg38 Human Genome assembly1: 8933371.Chromosome Position in hg19 assembly2: 8801412 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: G.