By their experimentation using the Neurospora fungus, Beadle and Tatum were able to propose the far-reaching hypothesis that ________.
A) prototrophs will grow only if provided with nutritional supplements B) several different enzymes may be involved in the same step in a biochemical pathway C) the role of a specific gene is to produce a specific enzyme D) genetic recombination occurred in Neurospora E) more than one codon can specify a given amino acid