Home
Class 12
BIOLOGY
Parents are colourblind. What is the phe...

Parents are colourblind. What is the phenotype of grandsons in f2-generation?

A

50% colourblind and 50% normal

B

All normal

C

All colourblind

D

All are carriers

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • HUMAN GENETICS

    ARIHANT NEET|Exercise Chapter Exercise Medical entrances special format questions (Statement Based )|11 Videos
  • HUMAN GENETICS

    ARIHANT NEET|Exercise Chapter Exercise (c) Medical entrances gallery (Collection of questions asked in NEET & Various Medical Entrance Exams)|83 Videos
  • HUMAN GENETICS

    ARIHANT NEET|Exercise Check point 9.2|20 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

If in a garden pea plant , cross is made between red flowered and white flowered plants . What will be the phenotypic ratio in F_(2) generation

A plant of "F"_(1) generation with genotype AABbBB. On selfing of this plant what is the phenotypic ratio in "F"_(2) generation?

A snapdragon plant homezygous for red flower when crossed with a white flowered plant of the same species produced pink flowers in F_(1) generation. (a) What is the phenotypic expression called ? (b) Work out the cross to show the F_(2) generation when F_(1) was self-pollinated. Give the phenotypic and genotypic ratios of f_(2) generation. (c) How do you compare the f_(2) phenotypic and genotypic ratios with those of Mendelian monohybrid f_(2) ?

A normal woman whose father was colour blind marries a cloublind man. What percentage of girls born to these parents would be colourblind

For hetrozygous tall plant of pea undergoing selfing, what would be the sum of phenotype and genotypes obtained in F_1 generation?

A colourblind man has a colourblind sister but a normal brother than phenotype of its parents is

On selfing a plant of F_(1) -generation with genotype "AaBbCC", the phenotypic ratio in F_(2) -generation will be

ARIHANT NEET-HUMAN GENETICS-Chapter Exercises A Taking it together (Assorted Questions of the Chapter for Advanced level Practice )
  1. A man and woman who both have 'Bb' genotype at a locus will produce wh...

    Text Solution

    |

  2. Mr phillips is colourblind. What is the probability of his male child ...

    Text Solution

    |

  3. How can a female be colour blind ?

    Text Solution

    |

  4. If a normal woman marries a colour blind man :

    Text Solution

    |

  5. What are all the chances of colour blind daughter and sons being born ...

    Text Solution

    |

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

    Text Solution

    |

  7. A man of blood group 'A' marries a woman of blood group 'B' ,both of t...

    Text Solution

    |

  8. A mother with B blood group has two children, one with A blood group a...

    Text Solution

    |

  9. A man known to be victim of haemophilia marries a normal woman whose f...

    Text Solution

    |

  10. A couple got their first daughter quite normal , but the mother was un...

    Text Solution

    |

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

    Text Solution

    |

  12. Mary' s father has haemophilia and her husband is also haemophilic. W...

    Text Solution

    |

  13. What are the chances that sons of a man with a rare X-linked disorder...

    Text Solution

    |

  14. One of the following is a mismatch

    Text Solution

    |

  15. Parents are colourblind. What is the phenotype of grandsons in f2-gene...

    Text Solution

    |

  16. A woman with straight hair marries a man with curly hair and who is kn...

    Text Solution

    |

  17. In man ,which of the following genotypes and phenotypes may be the cor...

    Text Solution

    |

  18. What will be the phenotypic sex of the following organisms on the basi...

    Text Solution

    |

  19. In recent years,nucleotidesequence of DNA and Y-chromosome were consid...

    Text Solution

    |

  20. Sita and Ram have their first child .Sita knows her blood type is A, b...

    Text Solution

    |