DNA Marker Index information for Chromosome: M Marker: C498dNames and Aliases for this DNA Marker: C498d, C494d, C495d, C496d, C497d, 494d, 498d.Chromosome Position in hg38 Human Genome assembly1: 498.Chromosome Position in hg19 assembly2: 498 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: del.