DNA Marker Index information for Chromosome: Y Marker: Z155Names and Aliases for this DNA Marker: Z155, FGC8504, rs938464073.Chromosome Position in hg38 Human Genome assembly1: 13106456.Chromosome Position in hg19 assembly2: 15218370 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: T.