Home
Class 11
BIOLOGY
Assertion: The crossing over is an enzy...

Assertion: The crossing over is an enzyme-mediated process.
Reason: The enzyme involved in crossing over is lyase.

A

If both assertion and reason are true and reason is the correct explantion of assertion

B

If both assertion and reason are true but reason is not the correct explnantion of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C

Refer to answer 10.
Promotional Banner

Topper's Solved these Questions

  • CELL - THE UNIT OF LIFE

    NCERT FINGERTIPS|Exercise Cell - The Unit Of Life|159 Videos
  • CHEMICAL COORDINATION AND INTEGRATION

    NCERT FINGERTIPS|Exercise Chemical Coordination And Integration|135 Videos

Similar Questions

Explore conceptually related problems

Define crossing over.

Crossing over requires an anzyme

What is crossing over ?

crossing over involes :

Enzyme required for crossing over-

Crossing over results in

NCERT FINGERTIPS-CELL CYCLE AND CELL DIVISION-Cell Cycle And Cell Division
  1. A bivalent of meiosis i consists of

    Text Solution

    |

  2. Cells which are not dividing are likely to be at

    Text Solution

    |

  3. Which of the events listed below is not observed ruing mitosis?

    Text Solution

    |

  4. Identify the wrong statement about meiosis.

    Text Solution

    |

  5. Select the correct statement about G(1) phase.

    Text Solution

    |

  6. Assertion : Interphase occupies 75-95% of the total generation time. ...

    Text Solution

    |

  7. Assertion: Some cells enter G(0) phase leading to inactivation of cell...

    Text Solution

    |

  8. Assertion: G(1) phase is the interval between mitosis and initiation o...

    Text Solution

    |

  9. Assertion: Prophase is the first stage of mitosis which follows S and ...

    Text Solution

    |

  10. Assertion: Small disc-shaped structures at the surface of the centrome...

    Text Solution

    |

  11. Assertion: During anaphase, centromere of each chromosome splits and c...

    Text Solution

    |

  12. Assertion: Karyokinesis follows cytokinesis. Reason: Karyokinesis is...

    Text Solution

    |

  13. Assertion: Cell growth results in disturbing the ratio between the nuc...

    Text Solution

    |

  14. Assertion: The process of pairing of the chromosomes is called synapsi...

    Text Solution

    |

  15. Assertion: Crossing over leads to recombination of genetic material on...

    Text Solution

    |

  16. Assertion: The crossing over is an enzyme-mediated process. Reason:...

    Text Solution

    |

  17. Assertion: The final stage of meiotic prophase I is diplotene. Reaso...

    Text Solution

    |

  18. Assertion: The stage between the two meiotic divisions is called inter...

    Text Solution

    |

  19. Assertion: Metaphase II begins with splitting of centromere of each ch...

    Text Solution

    |

  20. Assertion: Variations are important for the process of evolution. Re...

    Text Solution

    |