DNA Marker Index information for Chromosome: Y Marker: ZP18.1Names and Aliases for this DNA Marker: ZP18.1, ZP18, FGC11207.1, FGC11207, rs1227351040.Chromosome Position in hg38 Human Genome assembly1: 20274735.Chromosome Position in hg19 assembly2: 22436621 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.