Identify the statements which hold true for Phenylketonuria. 

(A) Phenylketonuria is a sex linked disorder
(B) Phenylpyruvic acid is accumulated and converted to phenylalanine
(C) It is caused by mutation in a pleiotropic gene
(D)The affected individual lacks enzyme phenylalanine hydroxylase

Choose the correct answer from the options given below:

(C) and (D) only

The correct answer is Option (3) → (C) and (D) only