Home
Class 12
BIOLOGY
Ratio of progeny , when a red coloured h...

Ratio of progeny , when a red coloured heterozygote is crossed with a white coloured plant in which red colour is dominant to white colour :

A

`3:1`

B

`1:1`

C

`1:2:1`

D

`9:3:3:3:1`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HEALTH &DISEASE

    USHA PUBLICATION|Exercise EXERCISE|73 Videos

  • HUMAN REPRODUCTION

    USHA PUBLICATION|Exercise EXERCISE|173 Videos

Similar Questions

Explore conceptually related problems

The red colour of beet root is due to:

Which ion is not coloured ?

Which nerve fibre has a glistening white colour?

Methyl orange gives red colour in :

A true breeding plant producing red flowrs is crossed with a pure plant producing white flowers . Allele for red colour of flower is dominant . After selfing the plants of first filial generation , the proportion of plants producing white flowers in the progeny would be :

In Mirabilis jalapa, when red flowered plants are crossed with white flowered ones, the offsprings were pink. It is the case of

USHA PUBLICATION-HEREDITY & VARIATION -EXERCISE
  1. When tall and dwarf plants are crossed , from which cross 1 : 1 ratio ...

    Text Solution

    |

  2. In Mirabilis , a hybrid for red ( RR ) and white ( rr ) flower produce...

    Text Solution

    |

  3. Ratio of progeny , when a red coloured heterozygote is crossed with a ...

    Text Solution

    |

  4. Two pea plants were subjected for cross pollination . Of the 183 plant...

    Text Solution

    |

  5. The total number of progeny obtained from a dihybrid cross is 1280 in ...

    Text Solution

    |

  6. What type of gametes will form by genotype RrYy ?

    Text Solution

    |

  7. Pure tall plants are crossed with pure dwarf plants . In the F1 - gene...

    Text Solution

    |

  8. The term linkage was coined by

    Text Solution

    |

  9. Crossing over is advantageous because it brings about

    Text Solution

    |

  10. Law of Mendel , which is not completely applicable is ?

    Text Solution

    |

  11. If a plant having yellow and round seeds was crossed with another plan...

    Text Solution

    |

  12. The 1 : 2 : 1 ratio with the pink flower in the F2 generation indicate...

    Text Solution

    |

  13. Probability of genotype TTrr in F2 - generation of a dihybrid cross is...

    Text Solution

    |

  14. Which one of the following was rediscoverer of Mendel's work :

    Text Solution

    |

  15. How many different types of gametes can be formed by F1 progeny , resu...

    Text Solution

    |

  16. What will be the gametic chromosome number of a cell , if somatic cell...

    Text Solution

    |

  17. An F2 genotypic ratio of 1:4:6:4:1 instead of 9:3:3:1 indicates :

    Text Solution

    |

  18. Which law Mendel would not have proposed , if the phenomenon of linkag...

    Text Solution

    |

  19. The number of genotypes produced in F2 generation in Mendel's monohybr...

    Text Solution

    |

  20. In which of the crosses , half of the offspring show dominant phenotyp...

    Text Solution

    |