DNA Marker Index information for Chromosome: Y Marker: BY49026Names and Aliases for this DNA Marker: BY49026, Z45940, rs919304103.Chromosome Position in hg38 Human Genome assembly1: 7082487.Chromosome Position in hg19 assembly2: 6950528 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.