DNA Marker Index information for Chromosome: Y Marker: BY1259Names and Aliases for this DNA Marker: BY1259, Y12063, rs940397251.Chromosome Position in hg38 Human Genome assembly1: 14335419.Chromosome Position in hg19 assembly2: 16447299 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.