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MHT CET Biology question

BiologyPrinciples of Inheritance and VariationMHT CET

Pick out the correct statements. 1. Haemophilia is a sex-linked recessive disease. 2. Down's syndrome is due to aneuploidy. 3. Phenylketonuria is an autosomal dominant gene disorder. 4. Phenylketonuria is an autosomal recessive gene disorder. 5. Sickle-cell anaemia is an X-linked recessive gene disorder. Choose the correct option.

Answer: (D)

Solution

Statements 1, 2 and 4 are true, while phenylketonuria is not dominant (3) and sickle-cell anaemia is autosomal recessive, not X-linked (5); of the

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Question ID VK-059578