DNA Marker Index information for Chromosome: Y Marker: Y20020.1Names and Aliases for this DNA Marker: Y20020.1, Y20020, rs750629493.Chromosome Position in hg38 Human Genome assembly1: 15525679.Chromosome Position in hg19 assembly2: 17637559 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.