In which of the following disorders, blood has a defective haemoglobin?
A
Haemophilia
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B
Haematuria
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C
Haematoma
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D
Sickle cell anaemia
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Solution
The correct option is D Sickle cell anaemia In the case of sickle cell aneamia, the haemoglobin acquires the shape of sickle. It is thus, a defective haemoglobin which cannot carry oxygen.