DNA Marker Index information for Chromosome: Y Marker: FGC66729Names and Aliases for this DNA Marker: FGC66729, rs1021521629.Chromosome Position in hg38 Human Genome assembly1: 16523063.Chromosome Position in hg19 assembly2: 18634943 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.