DNA Marker Index information for Chromosome: Y Marker: ZS7721Names and Aliases for this DNA Marker: ZS7721, rs1032888439.Chromosome Position in hg38 Human Genome assembly1: 7790565.Chromosome Position in hg19 assembly2: 7658606 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.