DNA Marker Index information for Chromosome: Y Marker: Y20054.1Names and Aliases for this DNA Marker: Y20054.1, Y20054.Chromosome Position in hg38 Human Genome assembly1: 26655708.Chromosome Position in hg19 assembly2: 28801855 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.