Which of the following is the example of a sex-linked disease:
1. AIDS
2. Colour blindness
3. Syphilis
4. Gonorrhoea
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA normal woman, whose father was colour-blind is married to a normal man. The sons would be:
1. 50% colour-blind
2. All normal
3. All colour-blind
4. 75 % colour-blind
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA woman with normal vision, but whose father was colour blind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. This boy:
1. | Must have normal colour vision |
2. | Maybe colour blind or maybe normal vision |
3. | Will be partially colour blind since he is heterozygous for the colour blind mutant allele. |
4. | Must be colour blind |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHaemophilia is more commonly seen in human males than in human females because:
1. | This disease is due to a Y-linked recessive mutation |
2. | This disease is due to an X-linked recessive mutation |
3. | This disease is due to an X-linked dominant mutation |
4. | A greater proportion of girls die in infancy |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughters and 5 sons). Three of the sons suffer from the given disease but none of the daughters are affected. Which of the following mode of inheritance might be the reason for this disease?
1. Sex-limited recessive
2. Autosomal dominant
3. Sex-linked recessive
4. Sex-linked dominant
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology