DNA Marker Index information for Chromosome: Y Marker: ZS227Names and Aliases for this DNA Marker: ZS227, S20075, rs757716725.Chromosome Position in hg38 Human Genome assembly1: 15578495.Chromosome Position in hg19 assembly2: 17690375 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.