DNA Marker Index information for Chromosome: Y Marker: Z21257.1Names and Aliases for this DNA Marker: Z21257.1, Y9268.2.Chromosome Position in hg38 Human Genome assembly1: 15761217.Chromosome Position in hg19 assembly2: 17873097 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.