DNA Marker Index information for Chromosome: Y Marker: Z621.2Names and Aliases for this DNA Marker: Z621.2, AMM132, AM00223, A16862.2, rs746073459.Chromosome Position in hg38 Human Genome assembly1: 19514919.Chromosome Position in hg19 assembly2: 21676805 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.