Principles of Inheritance and Variation Question 142
142. Pick out the correct statements :
[2016]
(1) Haemophilia is a sex-linked recessive disease
(2) Down’s syndrome is due to aneuploidy
(3) Phenylketonuria is an autosomal recessive gene disorder.
(4) Sickle cell anaemia is a X-linked recessive gene disorder
(a) (1) and (4) are correct
(b) (2) and (4) are correct
(c) (1), (3) and (4) are correct
(d) (1), (2) and (3) are correct
Show Answer
Answer : d
Hints & Solution
(d) Sickle cell disease is inherited in an autosomal recessive pattern.
