DNA Marker Index information for Chromosome: Y Marker: BY30997Names and Aliases for this DNA Marker: BY30997, Y47228, rs998474940.Chromosome Position in hg38 Human Genome assembly1: 8532702.Chromosome Position in hg19 assembly2: 8400743 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.