DNA Marker Index information for Chromosome: Y Marker: PH3621.1Names and Aliases for this DNA Marker: PH3621.1, PH3621, rs773746761.Chromosome Position in hg38 Human Genome assembly1: 15925244.Chromosome Position in hg19 assembly2: 18037124 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.