DNA Marker Index information for Chromosome: Y Marker: Z21118.1Names and Aliases for this DNA Marker: Z21118.1, Z21118, rs765269720.Chromosome Position in hg38 Human Genome assembly1: 8705001.Chromosome Position in hg19 assembly2: 8573042 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.