DNA Marker Index information for Chromosome: Y Marker: BY13840.1Names and Aliases for this DNA Marker: BY13840.1, BY13840.Chromosome Position in hg38 Human Genome assembly1: 20109162.Chromosome Position in hg19 assembly2: 22271048 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: G.