DNA Marker Index information for Chromosome: M Marker: C15661TNames and Aliases for this DNA Marker: C15661T, C15661, i4000607.Chromosome Position in hg38 Human Genome assembly1: 15661.Chromosome Position in hg19 assembly2: 15661 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.