DNA Marker Index information for Chromosome: Y Marker: BY21454.1Names and Aliases for this DNA Marker: BY21454.1, BY21454, rs1468174617.Chromosome Position in hg38 Human Genome assembly1: 18672789.Chromosome Position in hg19 assembly2: 20834675 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.