DNA Marker Index information for Chromosome: Y Marker: PH490.1Names and Aliases for this DNA Marker: PH490.1, PH490, rs771583470.Chromosome Position in hg38 Human Genome assembly1: 7310923.Chromosome Position in hg19 assembly2: 7178964 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.