DNA Marker Index information for Chromosome: Y Marker: Z18090Names and Aliases for this DNA Marker: Z18090, Y11911, rs908404289.Chromosome Position in hg38 Human Genome assembly1: 6779555.Chromosome Position in hg19 assembly2: 6647596 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: A.