Q. Pick out the correct statements :
(a) Haemophilia is a sex-linked recessive disease.
(b) Down's syndrome is due to aneuploidy.
(c) Phenylketonuria is an autosomal recessive gene disorder.
(d) Sickle cell anaemia is an X - linked recessive gene disorder.

 3329  203 NEETNEET 2016Principles of Inheritance and Variation Report Error

Solution:

Sickle cell anemia is autosomal recessive gene disorder