DNA Marker Index information for Chromosome: Y Marker: Z27556.2Names and Aliases for this DNA Marker: Z27556.2, rs774590530.Chromosome Position in hg38 Human Genome assembly1: 21180871.Chromosome Position in hg19 assembly2: 23342757 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.