Q.

Which of the following occurs due to the presence of autosome linked dominant trait              [2022]

1 Sickle cell anaemia  
2 Myotonic dystrophy  
3 Haemophilia  
4 Thalassemia  

Ans.

(2)

Sickle cell anaemia and thalassemia are autosomal linked recessive disease while haemophilia is a sex linked recessive disease.