DNA Marker Index information for Chromosome: Y Marker: BY20302Names and Aliases for this DNA Marker: BY20302, FGC54437, rs909422372.Chromosome Position in hg38 Human Genome assembly1: 7791136.Chromosome Position in hg19 assembly2: 7659177 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.