DNA Marker Index information for Chromosome: Y Marker: A2120Names and Aliases for this DNA Marker: A2120, Y11900, rs898031221.Chromosome Position in hg38 Human Genome assembly1: 15635623.Chromosome Position in hg19 assembly2: 17747503 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.