Q. Select the correct match.
A) Phenylketonuria - Autosomal dominant trait
B) Sickle cell anaemia - Autosomal recessive trait, chromosome-11
C) Thalassemia - X linked
D) Haemophilia - Y linked
Explanation
[Solution] Sickle cell anaemia is autosomal recessive (the $\beta$-globin gene is on chromosome 11). PKU and thalassemia are autosomal recessive, and haemophilia is X-linked. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.