DNA Marker Index information for Chromosome: Y Marker: Z39931.1Names and Aliases for this DNA Marker: Z39931.1, Z39931.Chromosome Position in hg38 Human Genome assembly1: 12228023.Chromosome Position in hg19 assembly2: 14348728 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.