Principle-Of-Inheritance-And-Variation Question 638
Question: Sickle cell anaemia is due to [CBSE PMT 1990]
Options:
A) Hormones
B) Viruses
C) Genes
D) Bacteria
Show Answer
Answer:
Correct Answer: B
Solution:
Sickle-cell anaemia is a genetic disease reported from negroes due to a molecular mutation of gene $ Hb^{A} $ on chromosome 11 which produces the $ \beta $ chain of adult haemoglobin.