DNA Marker Index information for Chromosome: Y Marker: A20723.1Names and Aliases for this DNA Marker: A20723.1, A20723, Y132767.Chromosome Position in hg38 Human Genome assembly1: 6864594.Chromosome Position in hg19 assembly2: 6732635 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.