DNA Marker Index information for Chromosome: Y Marker: Z18490.1Names and Aliases for this DNA Marker: Z18490.1, Z18490, rs1000939726.Chromosome Position in hg38 Human Genome assembly1: 13697607.Chromosome Position in hg19 assembly2: 15809487 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.