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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 recessive gene disorder(iv) Sickle cell anaemia is an autosomal recessive gene disorder

  1. A
    (ii) and (iv) are correct
  2. B
    (i), (iii) and (iv) are correct
  3. C
    (i), (ii) and (iii) are correct
  4. D
    (i) and (iv) are correct

Solution & Step-by-step Explanation

All statements are actually correct. However, based on the original options of the source paper, the closest match often cited is (B) or a combination depending on specific wording.(i) Haemophilia: X-linked recessive.(ii) Down's: Trisomy 21 (Aneuploidy).(iii) PKU: Autosomal recessive.(iv) Sickle cell: Autosomal recessive.

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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 recessive gene disorder(iv) Sickle cell anaemia is an autosomal recessive gene disorder
A
(ii) and (iv) are correct
B
(i), (iii) and (iv) are correct
C
(i), (ii) and (iii) are correct
D
(i) and (iv) are correct

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