DNA Marker Index information for Chromosome: M Marker: T1809CNames and Aliases for this DNA Marker: T1809C, T1809, rs879152207.Chromosome Position in hg38 Human Genome assembly1: 1809.Chromosome Position in hg19 assembly2: 1809 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.