Home
Class 12
BIOLOGY
A colour blind man marries a woman with ...

A colour blind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their grandson being colour blind

A

1

B

Nil

C

`0.25`

D

`0.5`

Text Solution

Verified by Experts

The correct Answer is:
C

The daughters of this couple will normal eye sight and carrie if on of the carries daughter marries with normal eyed man.
Promotional Banner

Topper's Solved these Questions

  • MOLECULAR BASIS OF INHERITANCE

    ERRORLESS |Exercise Molecular Basis Of Inheritance|469 Videos

  • REPRODUCTION IN ORGANISMS

    ERRORLESS |Exercise Reproduction In Organisms|116 Videos

Similar Questions

Explore conceptually related problems

A colourblind man marries a woman with normal sight who was has no history of colour blindness in her family. What is the probability of their sons being colourblind?

A colourblind man marries a woman with bormal sight who has no histroyh of colour blindess in her family. What is the probability of their grandson becoming blind

A colour blind man marries a normal woman (without and history of colour blindness in her family). What proportion of their sons will be colour blind?

A colour blind woman marries a man with normal vision. Their sons are going to be:

A woman with normal vision whose mother was colourblind married a man with normal vision. The woman is pregnant with her first child. What is the probability that the cild will be a colour blind boy?

A colour blind woman marries a normal visoned male .In the offspring

Gene for colour blindness in man is located on

If a colour blind woman marries a normal visiond man ,their sons will be:

ERRORLESS -PRINCIPLES OF INHERITANCE AND VARIATION-Principles Of Inheritance And Variation
  1. Which of the following is not a hereditary disease

    Text Solution

    |

  2. If a boy's father has haemophilia and his mother has one gene for haem...

    Text Solution

    |

  3. A colour blind man marries a woman with normal sight who has no histor...

    Text Solution

    |

  4. Sickle cell anaemia is due to

    Text Solution

    |

  5. Sex linked inheritance was discovered by

    Text Solution

    |

  6. Colour blindness is caused by a single

    Text Solution

    |

  7. The following is a pedigree chart of a family with five children. It s...

    Text Solution

    |

  8. Female rarely experience the physiologic defect of haemophilia because...

    Text Solution

    |

  9. A colour blind son will born when

    Text Solution

    |

  10. Sex influenced characters are due to

    Text Solution

    |

  11. A colourblind man has a colourblind sister but a normal brother than p...

    Text Solution

    |

  12. The frequency of a character is found to be increasing when

    Text Solution

    |

  13. The female children of a haemophilic man and a carrier woman are likel...

    Text Solution

    |

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

    Text Solution

    |

  15. Haemophilia is caused due to lack of

    Text Solution

    |

  16. A marriage between normal visoned man and colourblind woman will produ...

    Text Solution

    |

  17. Sex -linked genes of man are

    Text Solution

    |

  18. A marriage between a colourblind man and a normal woman produces

    Text Solution

    |

  19. A girl of normal vision whose father was clourblind marries a man of ...

    Text Solution

    |

  20. All the sons are haemophilic and dughter aare normal os a heamophilic ...

    Text Solution

    |