DNA Marker Index information for Chromosome: Y Marker: BY9913.1Names and Aliases for this DNA Marker: BY9913.1, BY9913, rs975513907.Chromosome Position in hg38 Human Genome assembly1: 19074021.Chromosome Position in hg19 assembly2: 21235907 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.