DNA Marker Index information for Chromosome: Y Marker: Z7507.1Names and Aliases for this DNA Marker: Z7507.1, Z7507, rs776662653.Chromosome Position in hg38 Human Genome assembly1: 7333680.Chromosome Position in hg19 assembly2: 7201721 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.