DNA Marker Index information for Chromosome: Y Marker: FGC20561Names and Aliases for this DNA Marker: FGC20561, rs1040331671.Chromosome Position in hg38 Human Genome assembly1: 16674424.Chromosome Position in hg19 assembly2: 18786304 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.