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प्रश्न
What is the difference between a primary oocyte and a secondary oocyte?
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उत्तर
| Primary oocyte | Secondary oocyte |
| Primary oocyte is a diploid cell formed in foetal ovary when the gamete mother cell, oogonia is arrested at prophase-I of meiosis. | Secondary oocyte is the haploid cell formed from primary oocyte that completes its first meiotic division, during puberty and produces the female gamete ova. |
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संबंधित प्रश्न
How is 'oogenesis' markedly different from 'spermatogenesis' with respect to the growth till puberty in the humans?
What is oogenesis?
Identify True/False statement. Correct the false statement to make it true.
Oogenesis takes place in the corpus luteum.
Describe the process of budding in hydra.
Which of the following correctly describes the secondary oocyte?
Identify the CORRECT sequence of events.
Identify the enzyme released by the sperm which has lytic activity.
What is the location of oogenesis?
How many autosomes does a human primary spermatocyte have?
Sertoli cells are found in ______.
The cell which undergoes meiosis I during spermatogenesis is the ______.
Preparation of sperm before penetration of ovum is ______.
In spermatogenesis, reduction division of chromosome occurs during conversion of ______.
The process of release of spermatozoa from Sertoli cells into cavity of the seminiferous tubules is called ______.
Germ cells present in the seminiferous tubules undergo ______
During reproduction, the chromosome number (2n) reduces to half (n) in the gametes and again the original number (2n) is restored in the offspring. What are the processes through which these events take place?
Which type of cell division forms spermatids from the secondary spermatocytes?
Meiotic division of the secondary oocyte completed ______.
In our society the women are often blamed for giving birth to daughters. Can you explain why this is not correct?
During oogenesis the meiotic division is arrested at ______ before fertilization.
