DNA Marker Index information for Chromosome: Y Marker: PH4809.1Names and Aliases for this DNA Marker: PH4809.1, PH4809, rs773920982.Chromosome Position in hg38 Human Genome assembly1: 19254526.Chromosome Position in hg19 assembly2: 21416412 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.