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If a colourblind woman marries a normal ...

If a colourblind woman marries a normal visioned man, their sons will be -

A

All normal visioned

B

One half normal and one half colourblind

C

Three-fourth colourblind and one-fourth normal

D

All colourblind

Text Solution

Verified by Experts

The correct Answer is:
D
In human, colour blindness and haemophilia are X-linked disease. In the case given
Thus, all the sons will be colourblind
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ARIHANT NEET-HUMAN GENETICS-Chapter Exercise (c) Medical entrances gallery (Collection of questions asked in NEET & Various Medical Entrance Exams)
  1. More men suffer from colour blindess than women because

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  2. Which one of the following symbols and its representation, used in hu...

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  3. If a colourblind woman marries a normal visioned man, their sons will ...

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  4. Haemophilia in man is due to

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  5. Colour blindness is due to defect in

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  6. Gynaecomastia is a common feature seen in

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  7. Study the pedigree chart given below What does it show?

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  8. Which one of the following conditions in humans is correctly matched ...

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  9. Barr body in mammals represent

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  10. This pedigree is of a rare trait, in which children have extra fingers...

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  11. Which of the following abnormalities, results from an unnatural presen...

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  12. The "cri-du-chat" syndrome is caused by change in chromosome structure...

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  13. The daughter born to haemophilic father and normal mother could be

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  14. XO-chromosomal abnormally in human beings causes

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  15. Which of these statement about Huntington's disease is true ?

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  16. Both husband and wife have normal vision though their father were colo...

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  17. Select the correct bases of DNA, RNA and amino acid of beta chain resu...

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  18. Pic out the correct stataments (I) Haemophilia is a sex-linked rece...

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  19. The genetic defficiency of ADH - receptor leads to

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  20. Which of the following is not related to sex chromosome-X or Y?

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