DNA Marker Index information for Chromosome: M Marker: C1d1m1Names and Aliases for this DNA Marker: C1d1m1, C1d-a2a2a9a.Chromosome Position in hg38 Human Genome assembly1: 271.Chromosome Position in hg19 assembly2: 271 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.