DNA Marker Index information for Chromosome: M Marker: M42Names and Aliases for this DNA Marker: M42, BT-M42, rs2032630, M42.Chromosome Position in hg38 Human Genome assembly1: 9156.Chromosome Position in hg19 assembly2: 9156 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.