DNA Marker Index information for Chromosome: Y Marker: Y20203.1Names and Aliases for this DNA Marker: Y20203.1, Y20203.Chromosome Position in hg38 Human Genome assembly1: 12782110.Chromosome Position in hg19 assembly2: 14894044 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.