DNA Marker Index information for Chromosome: Y Marker: ZZ7Names and Aliases for this DNA Marker: ZZ7, ZZ7_1, ZZ7_2.Chromosome Position in hg38 Human Genome assembly1: 6434544.Chromosome Position in hg19 assembly2: 6302585 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: A.