DNA Marker Index information for Chromosome: Y Marker: FGC18186.2Names and Aliases for this DNA Marker: FGC18186.2.Chromosome Position in hg38 Human Genome assembly1: 20663325.Chromosome Position in hg19 assembly2: 22825211 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.