DNA Marker Index information for Chromosome: Y Marker: ZQ821.1Names and Aliases for this DNA Marker: ZQ821.1, ZQ821.Chromosome Position in hg38 Human Genome assembly1: 20548144.Chromosome Position in hg19 assembly2: 22710030 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.