DNA Marker Index information for Chromosome: Y Marker: BY121.1Names and Aliases for this DNA Marker: BY121.1, BY121, rs1052676490.Chromosome Position in hg38 Human Genome assembly1: 20656864.Chromosome Position in hg19 assembly2: 22818750 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.