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Question
Pick out the correct statements.(i) Haemophilia is a sex-linked recessive disease.(ii) Down's syndrome is due to aneuploidy. (iii) Phenylketonuria is an autosomal dominant gene disorder.(iv) Phenylketonuria is an autosomal recessive gene disorder.
(v) Sickle-cell anaemia is an X-linked recessive gene disorder.
Pick out the correct statements.
(i) Haemophilia is a sex-linked recessive disease.
(ii) Down's syndrome is due to aneuploidy.
(iii) Phenylketonuria is an autosomal dominant gene disorder.
(iv) Phenylketonuria is an autosomal recessive gene disorder.
(v) Sickle-cell anaemia is an X-linked recessive gene disorder.
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Solution
The correct option is D (i), (ii) and (iv) are correct.
Haemophilia is a sex-linked recessive disease. Down's syndrome is caused due to aneuploidy. It is a result of trisomy of 21st chromosome. Phenylketonuria is an autosomal recessive gene disorder.
Haemophilia is a sex-linked recessive disease. Down's syndrome is caused due to aneuploidy. It is a result of trisomy of 21st chromosome. Phenylketonuria is an autosomal recessive gene disorder.
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