DNA Marker Index information for Chromosome: Y Marker: Z5907Names and Aliases for this DNA Marker: Z5907, B647, rs781522689.Chromosome Position in hg38 Human Genome assembly1: 6976620.Chromosome Position in hg19 assembly2: 6844661 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.