DNA Marker Index information for Chromosome: Y Marker: M137Names and Aliases for this DNA Marker: M137, rs368040496, rs796260123.Chromosome Position in hg38 Human Genome assembly1: 19602572.Chromosome Position in hg19 assembly2: 21764458 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.