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.