DNA Marker Index information for Chromosome: M Marker: C4140TNames and Aliases for this DNA Marker: C4140T, C4140, i3002142.Chromosome Position in hg38 Human Genome assembly1: 4140.Chromosome Position in hg19 assembly2: 4140 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.