DNA Marker Index information for Chromosome: Y Marker: Z21440.1Names and Aliases for this DNA Marker: Z21440.1, Z21440.Chromosome Position in hg38 Human Genome assembly1: 13582726.Chromosome Position in hg19 assembly2: 15694606 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.