Home
Class 12
BIOLOGY
A woman has a haemophilic son and three ...

A woman has a haemophilic son and three normal children . Her genotype and that of her husband with respect to this gene would be

A

XX and XhY

B

XhXh and XhY

C

XhXh and XY

D

XhX and Xy

Text Solution

Verified by Experts

The correct Answer is:
D

Since, there are three normal children, so its clear that the hussband is not haemophilic (XY). Haemophilic son indicates that mother is a carrier for the gene (XhX) so the genotype should be XhX and XY as given is the cross below
Promotional Banner

Topper's Solved these Questions

  • HUMAN GENETICS

    ARIHANT NEET|Exercise Chapter Exercise Medical entrances special format questions (Statement Based )|11 Videos
  • GROWTH, REGENERATION AND AGEING

    ARIHANT NEET|Exercise Chapter exercises (Medical entrances gallery)|11 Videos
  • HUMAN HEALTH AND DISEASES

    ARIHANT NEET|Exercise CHAPTER EXCERCISES ((B) MEDICAL ENTRANCES GALLERY (COLLECTION OF QUESTIONS ASKED IN NEET & VARIOUS MEDICAL ENTRANCE EXAMS))|42 Videos

Similar Questions

Explore conceptually related problems

A woman has haemophilic brother and normal parents. She wants to marry a man who has no history of haemophila in his family. What is the possibility of her children having this disease

The age of a woman is a two-digit integer. On reversing this integer, the new integer is the age of her husband who is elder to her. The difference between their ages is one-eleventh of their sum. What is the difference between their ages ?

A haemophilic man marries a woman whose mother was normal but her father was haemophilic.What percentage of children would be there to be haemophilic ?Explain with necessary crossing.

A cross between a normal couple resulted in a son who was haemophilic and a normal daughter. In course of time, when the daughter was married to a normal man, to their surprise, the grandson was also haemophilic. a) Represent this cross in the form of pedigree chart. Give the genotypes of the daughter and her husband. b) Write the conclusion you draw of the inheritance pattern of this disease.

A haemophilic man marries a normal homozygous woman. What is he probability that their son will be haemophilic ?

Of a normal couple, half of sons are haemophilic and half the daughters are heterozygous. The gene for this disease in couple are located on

ARIHANT NEET-HUMAN GENETICS-Chapter Exercise (c) Medical entrances gallery (Collection of questions asked in NEET & Various Medical Entrance Exams)
  1. The genetic defficiency of ADH - receptor leads to

    Text Solution

    |

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

    Text Solution

    |

  3. A woman has a haemophilic son and three normal children . Her genotype...

    Text Solution

    |

  4. In the above pedigree, assume that no outsider marrying in, carry a di...

    Text Solution

    |

  5. A marriage between normal visioned man and colour blind woman will pr...

    Text Solution

    |

  6. Sickle cell anamia has not been eleiminated from African polulation as

    Text Solution

    |

  7. Which of these is not a Mendian disorder ?

    Text Solution

    |

  8. Gene for colour blindness is located on:

    Text Solution

    |

  9. Identify a Mendelian disorder from the following

    Text Solution

    |

  10. A man a inherit his X chromosome from

    Text Solution

    |

  11. Excessive growth fo hair one the pinna is a feature found only in male...

    Text Solution

    |

  12. Assertion : Phenylketonuria is a recessive hereditary disease caused b...

    Text Solution

    |

  13. Which of the following is not a hereditary disease

    Text Solution

    |

  14. Which of the following disease results from the genetic inability to ...

    Text Solution

    |

  15. Down's syndrome and Turner's syndrome occur in human being due to

    Text Solution

    |

  16. A diseased man marries a normal woman and they get three daughters and...

    Text Solution

    |

  17. Haemophilia, an X-linked recessive disease is caused due to deficiency...

    Text Solution

    |

  18. A person is suffering from disease phenylketonuria, Which is an autoso...

    Text Solution

    |

  19. Which of the following is the example of sex-linked disease?

    Text Solution

    |

  20. If a character is always transmitted directly from a father to all his...

    Text Solution

    |