DNA Marker Index information for Chromosome: Y Marker: M349Names and Aliases for this DNA Marker: M349, rs376916800, rs797012419.Chromosome Position in hg38 Human Genome assembly1: 3025236.Chromosome Position in hg19 assembly2: 2893277 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.