DNA Marker Index information for Chromosome: Y Marker: PH7Names and Aliases for this DNA Marker: PH7, V4225, rs748665974.Chromosome Position in hg38 Human Genome assembly1: 2793330.Chromosome Position in hg19 assembly2: 2661371 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.