DNA Marker Index information for Chromosome: Y Marker: BY2125Names and Aliases for this DNA Marker: BY2125, Y12744, GG093, GG93.Chromosome Position in hg38 Human Genome assembly1: 20919201.Chromosome Position in hg19 assembly2: 23081087 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.