DNA Marker Index information for Chromosome: Y Marker: M2_2Names and Aliases for this DNA Marker: M2, M2_2, DYS271, SY81, rs9785941.Chromosome Position in hg38 Human Genome assembly1: 11975871.Chromosome Position in hg19 assembly2: 14096577 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.