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NEET 2016
Exam
NEET
Year
2016
Subject
Zoology
Chapter
Principles of Inheritance and Variation

NEET 2016 · Zoology · Principles of Inheritance and Variation

Pick out the correct statements: (i) Haemophilia is a sex-linked...

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 X-linked recessive gene disorder.

Options

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

Correct answer

D. (i), (ii) and (iii) are correct

Step-by-step solution

Haemophilia is a sex-linked recessive disease in which there is a problem in clotting of blood.

Down's syndrome (trisomy 21) is caused due to aneuploidy.

Phenylketonuria is an autosomal recessive gene disorder.

Sickle cell anaemia is autosomal recessive gene disorder.
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