NEET Biology question

Biology Principles of Inheritance and Variation NEET

In this disease, there occurs a failure of the chloride ion transport mechanism in the cell-surface membrane of epithelial cells; the sweat of the patient contains very high levels of and ions. The disease is

(A)Thalassaemia
(B)Alzheimer's disease
(C)Gaucher's disease
(D)Cystic fibrosisCorrect

Answer: (D)

Solution

Cystic fibrosis is an autosomal recessive disorder caused by a defect in a chloride ion channel protein (CFTR) on the epithelial cell surface membrane, leading to abnormally thick mucus secretions and, characteristically, unusually salty sweat (high and ).

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Question ID VK-120377