DNA Marker Index information for Chromosome: Y Marker: BY21987.1Names and Aliases for this DNA Marker: BY21987.1, BY21987, A16527.Chromosome Position in hg38 Human Genome assembly1: 12775111.Chromosome Position in hg19 assembly2: 14887045 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: C.