DNA Marker Index information for Chromosome: Y Marker: Z19571.1Names and Aliases for this DNA Marker: Z19571.1, Z19571, Y12423, rs770496985.Chromosome Position in hg38 Human Genome assembly1: 6891378.Chromosome Position in hg19 assembly2: 6759419 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.