DNA Marker Index information for Chromosome: Y Marker: Z18231Names and Aliases for this DNA Marker: Z18231, Y13392, rs866313479.Chromosome Position in hg38 Human Genome assembly1: 8587489.Chromosome Position in hg19 assembly2: 8455530 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.