DNA Marker Index information for Chromosome: Y Marker: BY45266Names and Aliases for this DNA Marker: BY45266, Y144902, Z45933.Chromosome Position in hg38 Human Genome assembly1: 6998853.Chromosome Position in hg19 assembly2: 6866894 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: T.