Q. 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
A) I , III and V are correct
B) I and III are correct
C) II and V are correct
D) I , II and IV are correct
Explanation
The correct answer is Option A: I , III and V are correct.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.