DNA Marker Index information for Chromosome: Y Marker: Y456490.1Names and Aliases for this DNA Marker: Y456490.1, Y456490, FTG94842.2.Chromosome Position in hg38 Human Genome assembly1: 19473517.Chromosome Position in hg19 assembly2: 21635403 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.