DNA Marker Index information for Chromosome: M Marker: T7142CNames and Aliases for this DNA Marker: T7142C, T7142, i4000546, rs878865837.Chromosome Position in hg38 Human Genome assembly1: 7142.Chromosome Position in hg19 assembly2: 7142 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.