Pick out the correct statements.
i. Haemophilia is a sex linked recessive disease
ii. Down's syndrome is due to aneuploidy
iii. Phenylketonuria is an autosomal dominant gene disorder
iv. Phenylketonuria is an autosomal recessive gene disorder
V. Sickle cell anaemia is an X-linked recessive gene disorder

Options

A. (a), (b) and (c) are correct
B. (a) and (d) are correct
C. (b) and (d) are correct
D. (a), (c) and (d) are correct