Home
Class 12
BIOLOGY
The meiocyle of an onion plant contains ...

The meiocyle of an onion plant contains 32 chromosomes. Workout the number of chromosomes found in its endosperm.

Text Solution

Verified by Experts

Meiocyte has 32 chromosomes (2n) hence its gametes will have

`32//2=16` chromosomes
Therefore, endosperm will have `16xx3=48` chromosomes (3n).
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTION IN ORGANISMS

    OSWAAL PUBLICATION|Exercise TOPIC-2 SEXUAL REPRODUCTION ( SHORT ANSWER TYPE QUESTIONS I)|16 Videos

  • REPRODUCTION IN ORGANISMS

    OSWAAL PUBLICATION|Exercise TOPIC-2 SEXUAL REPRODUCTION ( SHORT ANSWER TYPE QUESTIONS II)|6 Videos

  • REPRODUCTION IN ORGANISMS

    OSWAAL PUBLICATION|Exercise TOPIC-1 LIFE SPAN AND ASEXUAL REPRODUCTION ( MULTIPLE CHOICE QUESTIONS II)|7 Videos

  • QUESTION PAPER 2019

    OSWAAL PUBLICATION|Exercise PART-D|18 Videos

  • REPRODUCTIVE HEALTH

    OSWAAL PUBLICATION|Exercise TOPIC-2 (SEXUALLY TRANSMITTED DISEASES AND INFERTILITY (MULTIPLE CHOICE QUESTIONS))|13 Videos

Similar Questions

Explore conceptually related problems

A plant root has 16 chromosomes , so

Highest number of chromosomes is found in the gamete of

An angiospermic plant has 24 chromosomes in 'microspore mother cell'. The number of chromosomes in its endosperm will be

Which type of germ cells contain 23 chromosomes

The cell of endosperm have 24 chromosomes. What will be the number of chromosomes in the gametes?

Male honey bee has 16 chromosomes. What is the number chromosomes in worker and queen honey bee?

In plants maximum number of chromosomes (2n=1262) are found in

In dogs the chromosome number is 78. How many chromosomes are present in the dog sperm?

OSWAAL PUBLICATION-REPRODUCTION IN ORGANISMS-TOPIC-2 SEXUAL REPRODUCTION (VERY SHORT ANSWER TYPE QUESTIONS)
  1. In a developing embryo, analyse the consequences if cell divisions are...

    Text Solution

    |

  2. Why all papaya plants bear flowers but fruits is seen only in some?

    Text Solution

    |

  3. Name the plant that flowers once is 12 years.

    Text Solution

    |

  4. Explain why meiosis and gametogenesis are always interlinked?

    Text Solution

    |

  5. In the following figure oif a fruit, label the part which is protectiv...

    Text Solution

    |

  6. The turkey usually produce females foe several generations. How is thi...

    Text Solution

    |

  7. The meiocyle of an onion plant contains 32 chromosomes. Workout the nu...

    Text Solution

    |

  8. Name two acellular organisms which reproduce sexually.

    Text Solution

    |

  9. Coconut plant is monoecious while date palm is dioecious. Why are they...

    Text Solution

    |

  10. What are pre fertilization events of sexual reproduction?

    Text Solution

    |

  11. Mention the site where syngamy occurs in amphibians and reptiles respe...

    Text Solution

    |

  12. Name the phase all organisms have to pass through before they can repr...

    Text Solution

    |

  13. State the difference between meiocyte and gamete with respect to chrom...

    Text Solution

    |

  14. What are hermaphrodites?

    Text Solution

    |

  15. Define syngamy?

    Text Solution

    |

  16. Differentiate betweeen syngamy and fertilisation.

    Text Solution

    |

  17. What is sexual reproduction?

    Text Solution

    |

  18. Differentiate between parthenocarpy and parthenogenesis.

    Text Solution

    |

  19. A haploid organism produces gametes by mitosis. Does it mean that meio...

    Text Solution

    |

  20. Name the mode of reproduction that ensures creation of new variants.

    Text Solution

    |