DNA Marker Index information for Chromosome: Y Marker: FGC20749Names and Aliases for this DNA Marker: FGC20749, rs1028457629.Chromosome Position in hg38 Human Genome assembly1: 2848970.Chromosome Position in hg19 assembly2: 2717011 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.