The One Gene-One Polypeptide Hypothesis States That

The one gene-one polypeptide hypothesis states that

A) each protein produced by a cell is coded for by a single gene.
B) one gene can only possibly produce one protein product.
C) each gene codes for one polypeptide.
D) each cell only has one copy of each gene for each polypeptide.
E) each gene codes for one enzyme which may be composed of polypeptides.