DNA Marker Index information for Chromosome: Y Marker: Z56Names and Aliases for this DNA Marker: Z56, PF6601, rs755378678.Chromosome Position in hg38 Human Genome assembly1: 16736275.Chromosome Position in hg19 assembly2: 18848155 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.