Advertisements
Advertisements
प्रश्न
What is the difference between a primary oocyte and a secondary oocyte?
Advertisements
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. |
APPEARS IN
संबंधित प्रश्न
Which precautions will you follow to maintain the reproductive health?
Describe the process of spermatogenesis with the help of diagram.
Mammalian egg is ____________.
The Androgen Binding Protein (ABP) is produced by ____________.
Answer the following type of question Assertion (A) and Reason (R).
(A) - In human males, testes are extra-abdominal and lie in scrotal sacs.
(R) - Scrotum acts as a thermoregulator and keeps the temperature lower by 2°C for normal sperm production.
Which of the following are known as the nourishing cells present in the seminiferous tubules?
The immature male germ cells differentiates into ______ at the end of meiosis I.
Select the pair of cells which does not divide further by mitosis.
The principal tail piece of human sperm shows the microtubular arrangement of ______.
Fetal sex can be determined by examining cells from amniotic fluid looking for:
Growth hormone of pituitary is more effective in ______.
In human females, meiosis II is not completed until:
How many primary oocytes produce one oogonia?
Which type of cell division forms spermatids from the secondary spermatocytes?
In spermatogenesis, at the end of the first meiotic division ______ are formed.
Sketch and label the process of oogenesis.
The diagram given below shows the various steps in spermatogenesis.
- Name the parts labelled '1', '2' and '3'.
- Name the process by which part '3' changes to part '4'.
In which structures does spermatogenesis occur?
Which gamete is produced through oogenesis?
Which of the following phases are shared by both spermatogenesis and oogenesis?
