DNA Marker Index information for Chromosome: Y Marker: M269Names and Aliases for this DNA Marker: M269, PF6517, R1b1a1a2, MF53029, rs9786153.Chromosome Position in hg38 Human Genome assembly1: 20577481.Chromosome Position in hg19 assembly2: 22739367 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.