DNA Marker Index information for Chromosome: Y Marker: Z40757.1Names and Aliases for this DNA Marker: Z40757.1, Z40757.Chromosome Position in hg38 Human Genome assembly1: 7979797.Chromosome Position in hg19 assembly2: 7847838 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.