DNA Marker Index information for Chromosome: Y Marker: Z18237Names and Aliases for this DNA Marker: Z18237, Y13101, rs866356752.Chromosome Position in hg38 Human Genome assembly1: 19542683.Chromosome Position in hg19 assembly2: 21704569 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.