question_answer

The most striking example of point mutation is found in a disease called [CBSE PMT 1995]

A) Night blindness

B) Thalassemia

C) Down's syndrome

D) Sickle-cell anaemia

Correct Answer: D

Solution :

Sickle cell Anaemia is a hereditary disorder of autosomal nature which is caused by mutation of the gene controlling chain of haemoglobin.