DNA Marker Index information for Chromosome: Y Marker: PH256.1Names and Aliases for this DNA Marker: PH256.1, PH256, rs745433948.Chromosome Position in hg38 Human Genome assembly1: 6996636.Chromosome Position in hg19 assembly2: 6864677 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.