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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
Give the name and function for ‘A’ and ‘B’ from the diagram given below
Explain the development of a secondary oocyte (ovum) in a human female from the embryonic stage upto its ovulation. Name the hormones involved in this process.
Which precautions will you follow to maintain the reproductive health?
What is gamete formation?
Sex organs produce gametes which are diploid.
Draw a labeled sketch of a spermatozoan.
Expand the acronym.
hCG
Which is the correct order of steps occurring during spermatogenesis?
How many sperms are formed from a secondary spermatocyte?
It The cell division in secondary oocyte is suspended at ______.
Gray crescent is the area ______.
Besides activating the egg another role of a sperm is to carry ______ to egg.
The nutritive cells found in seminiferous tubules are ______.
Acrosome is a type of ______.
Read the following and answer from given below:
Oogenesis is the process of the formation of an ovum in the ovaries. It consists of three phases: multiplication, growth, and maturation. Oogenesis is controlled by hormones GnRH, LH, FSH. GnRH secreted by the hypothalamus stimulates the anterior lobe of the pituitary gland to secrete LH and FSH.
Which cell division is involved in the formation of secondary oocytes?
Draw a neat and labelled diagram of spermatogenesis.
Draw a labelled diagram of a section through the ovary.
In which organ does oogenesis take place?
