DNA Marker Index information for Chromosome: M Marker: TTTC455T!Names and Aliases for this DNA Marker: TTTC455T!, 456.1TTCd.Chromosome Position in hg38 Human Genome assembly1: 456.Chromosome Position in hg19 assembly2: 456 .Ancestral marker allele value: TTC.Derived, alternative, or mutated marker allele value: del.