Home
Class 12
BIOLOGY
Which is the most common mechanism of ge...

Which is the most common mechanism of genetic varisation in the poplulation of a sexually-reproducing organism

A

Chromosomal aberrations

B

Genetic drift

C

Recombination

D

Transduction

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • Enzymes

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|11 Videos

  • Fungi

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|28 Videos

Similar Questions

Explore conceptually related problems

Name any four mechanisms which can lead to speciation in sexually reproducing organisms.

(i) List two distinguishing features between sexual and asexual types of reproduction. (ii) Explain why variations are observed in the offspring of sexually reproducing organisms?

Distinguish between unisexual and bisexual flowers giving one example of each. Draw a neat diagram showing fertilisation in a flower and label: a] Pollen tube b] Male germ cell c] Female germ cell, on it. OR Draw the diagram showing the germination of pollen on stigma and label the part on which pollination takes place. Answer the following questions based on diagram given aside. i] Name the part marked 'P. in the diagram. ii] How does 'P. reach part 'B'? iii] State the importance of the part 'C'. iv] What happens to the part marked 'D' after fertilisation is over? Mention the role of gamete and zygote in sexually reproducing organisms.

Pick out the correct statements (A) Mitosis takes place in the somatic cells and meiosis takes place in the germ cells (B) During mitosis, the DNA replicates once for one cell division are in meiosis the DNA replicates twice for two cell divisions (C) Mitosis and meiosis occur both in sexually and asexually reproducing organisms

The most common organ involved in extraintestinal amoebiasis is

TRUEMAN BIOLOGY-EVOLUTION-MULTIPLE CHOICE QUESTIONS
  1. Which one of the following are analogous structures

    Text Solution

    |

  2. Forelmbs of cat, lizard used in walking, forelimbs of whale used in sw...

    Text Solution

    |

  3. Which is the most common mechanism of genetic varisation in the poplul...

    Text Solution

    |

  4. A population will not exist in Hardly-Weinberg equilbrium if

    Text Solution

    |

  5. The wings of a bird and the wings of an insect are

    Text Solution

    |

  6. Industrial melanism is an example of

    Text Solution

    |

  7. Which of the following structures is homologus to the wing of a bird?

    Text Solution

    |

  8. Following are the two statements regarding the origin of life : A." ...

    Text Solution

    |

  9. Analogous crgans are a result of

    Text Solution

    |

  10. In 1863 T.A Huxley mentioned in his book "Man's Place in Nature" that ...

    Text Solution

    |

  11. In 1871, Charles Darwin described in his book "The Descent of Man" tha...

    Text Solution

    |

  12. Carolus Linnaeus, the Father of Taxonomy placed man among the

    Text Solution

    |

  13. The earliest site where human civilization and crop cultivation starte...

    Text Solution

    |

  14. Proconsul (Dryopithecus africanus) was discovered East Africa by

    Text Solution

    |

  15. Sivapithecus is another fossil ape from Sivalik hills of India. It was...

    Text Solution

    |

  16. Dryopithecus existed in miocene and gave rise to

    Text Solution

    |

  17. Name given to fossil homind of shivalik hills in India is

    Text Solution

    |

  18. The earliest or first fossil man know present is

    Text Solution

    |

  19. Fossils of Ramapithecus were first discovered by

    Text Solution

    |

  20. Fossils of Kenyapithecus were discovered by

    Text Solution

    |