DNA Marker Index information for Chromosome: Y Marker: PH12.1Names and Aliases for this DNA Marker: PH12.1, PH12, rs754944264.Chromosome Position in hg38 Human Genome assembly1: 2823812.Chromosome Position in hg19 assembly2: 2691853 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.