DNA Marker Index information for Chromosome: Y Marker: Z21795.1Names and Aliases for this DNA Marker: Z21795.1, Z21795.Chromosome Position in hg38 Human Genome assembly1: 21003834.Chromosome Position in hg19 assembly2: 23165720 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.