DNA Marker Index information for Chromosome: M Position Range: 291-294dNames and Aliases for this DNA Marker: 291-294d, ATTT291d.Chromosome Position in hg38 Human Genome assembly1: 291.Chromosome Position in hg19 assembly2: 291 .Ancestral marker allele value: ATTT.Derived, alternative, or mutated marker allele value: del.