DNA Marker Index information for Chromosome: M Marker: A12234GNames and Aliases for this DNA Marker: A12234G, A12234, i3001090.Chromosome Position in hg38 Human Genome assembly1: 12234.Chromosome Position in hg19 assembly2: 12234 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.