DNA Marker Index information for Chromosome: Y Marker: DF90.1Names and Aliases for this DNA Marker: DF90.1, DF90, BY841.1, BY841, rs913902527.Chromosome Position in hg38 Human Genome assembly1: 8820641.Chromosome Position in hg19 assembly2: 8688682 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.