DNA Marker Index information for Chromosome: Y Marker: Z18133Names and Aliases for this DNA Marker: Z18133, Y13501, rs746890648.Chromosome Position in hg38 Human Genome assembly1: 19860191.Chromosome Position in hg19 assembly2: 22022077 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.