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
(1) II and IV are correct
(2) I, III and IV are correct
(3) I, II and III are correct
(4) I and IV are correct
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf a colourblind man marries a woman who is homozygous for normal colour vision, the probability of their son being colourblind is:
1. 0
2. 0.5
3. 0. 75
4. 1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyI: | 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology