DNA Marker Index information for Chromosome: Y Marker: FGC21770.2Names and Aliases for this DNA Marker: FGC21770.2.Chromosome Position in hg38 Human Genome assembly1: 19453190.Chromosome Position in hg19 assembly2: 21615076 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.