DNA Marker Index information for Chromosome: Y Marker: Y31002Names and Aliases for this DNA Marker: Y31002, Z44112, rs890039338.Chromosome Position in hg38 Human Genome assembly1: 19875152.Chromosome Position in hg19 assembly2: 22037038 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.