DNA Marker Index information for Chromosome: Y Marker: Y20920.1Names and Aliases for this DNA Marker: Y20920.1, Y20920.Chromosome Position in hg38 Human Genome assembly1: 8201211.Chromosome Position in hg19 assembly2: 8069252 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.