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Question

Which of the following is an example of a disease of molecular mutation?

A
Erythroblastosis fetalis
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B
Haemophilia
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C
Anaemia
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D
Sickle-cell anaemia
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Solution

The correct option is D Sickle-cell anaemia
Sickle-cell anaemia is the most common form of sickle cell disease (SCD). SCD is a serious disorder in which the body makes sickle shaped red blood cells. In sickle cell anaemia, due to mutation the β-chain amino acid sequence is changed causing change in molecular structure.

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