DNA Marker Index information for Chromosome: Y Marker: Z20770.1Names and Aliases for this DNA Marker: Z20770.1, Z20770.Chromosome Position in hg38 Human Genome assembly1: 15565751.Chromosome Position in hg19 assembly2: 17677631 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.