Home
Class 12
BIOLOGY
2n=6 in a primary spermatocyte which is ...

2n=6 in a primary spermatocyte which is in metapahase of first meiotic divison. What shall be the totalk number of chromatids in each of the secondary spermatocyte?

A

6

B

8

C

24

D

32

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • HUMAN HEALTH AND DISEASES

    GRB PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|425 Videos
  • MENDELIAN INHERITANCE

    GRB PUBLICATION|Exercise Multiple Choice Questions|417 Videos

Similar Questions

Explore conceptually related problems

2n = 16 is in a primary spermatocyte which is in metaphase of first meiotic division. What shal be the total number of chromatids in each of the secondary spermatocyte?

If 2n=8, what shall be the number of chromatids in each daughter cell after meiosis-I?

Diploid chromosome number being 8, what shall be the number of chromatids in each daughter after meiosis I

How many of the given statements are incorrect? A. The ovaries are located on each side of the lower abdomen. B. Mons pubis a cushion of fatty tissue covered by skin and pubic hair. C. A primary spermatocyte completes the second meiotic division leading to the formation of two equal, haploid cells called secondary spermatocytes, which have only 23 chromosomes each. D. The secondary follicles get surrounded by more layers of granulosa cells and a new theca, they are called tertiary follicles.

The steps involved in spermatogenesis are given below. Arrange them in proper sequence and select the correct option. A. Primary spermatocytes undergo the first meiotic division. B. Spermatogonia multiply by mitotic division. C. Transformation of spermatids into sperms. D. Secondary spermatocytes undergo the second meiotic division. E. Release of sperms from the seminiferous tubules.

Assertion: The type B spermatogonia are called primary spermatocytes. Reason: Primary spermatocytes complete the first meiotic division leading to secondary spermatocytes.

Each secondary spermatocyte after second meiotic division produces

Each secondary spermatocyte after second meiotiic divison produces:

GRB PUBLICATION-HUMAN REPRODUCTION-All Questions
  1. In oogenesis, haploid egg is ferrtilized by sperm at which stage?

    Text Solution

    |

  2. Besides activating the egg, another role of a sperm is to carry to egg...

    Text Solution

    |

  3. 2n=6 in a primary spermatocyte which is in metapahase of first meiotic...

    Text Solution

    |

  4. 1st polar body is formed at which stage of oogenesis?

    Text Solution

    |

  5. Vitellogenesis occurs during the formation of:

    Text Solution

    |

  6. Some important events in the human female reproductive cycle are given...

    Text Solution

    |

  7. The 32 cells stage of the human embryo is:

    Text Solution

    |

  8. The given figure shows a diagrammatic sketch of a portion of human mal...

    Text Solution

    |

  9. Seminal plasma in humans is rich in

    Text Solution

    |

  10. Foetal ejection reflex in human female is induced by:

    Text Solution

    |

  11. Which one of the following is the correct matching of the events occur...

    Text Solution

    |

  12. A regular cycling woman is not menstruating which one of the following...

    Text Solution

    |

  13. Vasa efferentia are the ductules leading from:

    Text Solution

    |

  14. Sertoli cells are found to

    Text Solution

    |

  15. The second maturation division of the mammalian ovum occurs

    Text Solution

    |

  16. Seminal plasma in human males is rich in:

    Text Solution

    |

  17. Which one of the following statements about human sperms is correct?

    Text Solution

    |

  18. Secretions from which one of the following are rich in fructode,calciu...

    Text Solution

    |

  19. During spermiogenesis, histone protien is replaced by:

    Text Solution

    |

  20. During entry into the ovum, acrosome of sperm releases:

    Text Solution

    |