Home
Class 12
BIOLOGY
A pure dwart plant was subjected to X-ra...

A pure dwart plant was subjected to X-ray treatment,which mutated them to reach the height of a pure tall plant. This new plant was crossed with a hybrid tall. What will be the result of progeny?

A

all tall and red

B

Tall and dwarf in 1:1 ratio

C

All dwarf

D

Tall and dwarf in 2:1 ratio

Text Solution

Verified by Experts

The correct Answer is:
A

By X-rays dwarf gene undergoes back mutation.
Promotional Banner

Topper's Solved these Questions

  • Plant Physiology

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|91 Videos
  • Protista

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|6 Videos

Similar Questions

Explore conceptually related problems

If two hybrid tall pea plant is crossed then what will be the percentage of pure tall plant in F_1 generation?

Work out a cross to find the genotype of a tall pea plant. Name the type of cross.

A dwarf pea plant is treated with gibberellin which makes it tall. This plant is crossed with genetically pure tall plant. Phenotypic ratio in next generation shall be

What will be the genotype of hybrid tall pea plant?

A dwarf pea plant was treated with GA. The plant became tall. The treated plant was then crossed with a homozygous tall pea. The resutl in F_(2) are expected to be

A homogamous tall pistilltate plant (TT) is crossed with homogamous dwarf staminate plant (tt). What is the genotype of endosperm?

A pure tall plant is reared in a soil poor in nutrition and reaches the size of dwarf plant. If this plant is selfed, the phenotype in the F_(1) generation is most likely to be

A pure tall plant is reared in a soil poor in nutrition and reached the size of dwarf plant. If this plant is selfed, the phenotype in the F_(1) generation is most likely to be

In Mendel's peas, tall is dominant to dwarf & yellow is dominant to green. A pure tall, yellow plant is crossed to a pure dwarf gree plant. What will be phenotypic ratio in F2 generation?

A cross between two tall plants resulted in offspring having few dwarf plants. What would be the gentypes of both the parents ?

TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. A family has 5 daughters. Probability of 6th child being boy will be

    Text Solution

    |

  2. From a single ear of corn, a farmer planted 200 kernels which produced...

    Text Solution

    |

  3. A pure dwart plant was subjected to X-ray treatment,which mutated them...

    Text Solution

    |

  4. A man with pure blue eyes and pure black hair marries a woman with bla...

    Text Solution

    |

  5. A couple believed that they have brought the wrong baby home from the ...

    Text Solution

    |

  6. The height of a plant is under the control of polygenic inheritance. T...

    Text Solution

    |

  7. In Andulassian fowl, the heterozygous condition of alleles for black p...

    Text Solution

    |

  8. Ratio in dihybrid cross -

    Text Solution

    |

  9. An embryo resulting from the mating of two albino (recessive) rabbits ...

    Text Solution

    |

  10. Which law of mendel holds good even in this modern period of cytogenet...

    Text Solution

    |

  11. In man brown eye is dominant over blue. A lady with brown eyes, whose ...

    Text Solution

    |

  12. A monohybid cross between two plants, one having 22cm long internodes ...

    Text Solution

    |

  13. In a breeding experiment between two parents showing the dominant and ...

    Text Solution

    |

  14. If mother has 'O' blood group, child also has 'O' group. What can be t...

    Text Solution

    |

  15. Father's blood group is A and his son has 'O' group. Which of the bloo...

    Text Solution

    |

  16. A man with blood group 'A' marries a women with blood group 'B'. What ...

    Text Solution

    |

  17. Blood group O is universal donor because

    Text Solution

    |

  18. If an unknown blood is added to anitiserum it will be of

    Text Solution

    |

  19. Study of interaction of antigen and antibody in blood is termed

    Text Solution

    |

  20. A man with blood group A marries a woman having blood group AB. Which ...

    Text Solution

    |