Ques. Sickle-cell anaemia is
A. caused by substitution of valine by glutamic acid in the beta globin chain of haemoglobin
B. caused by a change in a single base pair of DNA
C. characterized by elongated sickle like RBCs with a nucleus
D. an autosomal linked dominant trait.
Answer:B
Ques. Sickle-cell anaemia is
A. caused by substitution of valine by glutamic acid in the beta globin chain of haemoglobin B. caused by a change in a single base pair of DNA C. characterized by elongated sickle like RBCs with a nucleus D. an autosomal linked dominant trait.