DNA Marker Index information for Chromosome: Y Marker: M1291.3Names and Aliases for this DNA Marker: M1291.3, rs201133309.Chromosome Position in hg38 Human Genome assembly1: 7367418.Chromosome Position in hg19 assembly2: 7235459 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.