Assuming that the level of glucose is low, a mutation in the repressor of the lac operon in E. coli, preventing binding of the repressor to the operator, should result in:
(A)constitutive expression of the lac operon genes (B)lack of expression or reduced expression of the lac operon genes under all circumstances (C)expression of the genes only when lactose is present (D)expression of the genes only when lactose is absent
A