DNA Marker Index information for Chromosome: Y Marker: M122Names and Aliases for this DNA Marker: M122.1, M122, MF168663, M122.2, rs78149062.Chromosome Position in hg38 Human Genome assembly1: 19602788.Chromosome Position in hg19 assembly2: 21764674 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.