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प्रश्न
What is oogenesis?
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उत्तर
Oogenesis is the process of forming a mature female gamete (ovum). It occurs in the ovaries of the female reproductive system. Oogenesis is a discontinuous process; it begins before birth, stops mid-process, and only resumes after menarche.
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संबंधित प्रश्न
Draw a sectional view of human ovary and label the different follicular stages, ovum and Corpus luteum.
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.
Briefly describe the process of spermatogenesis.
Define spermiation.
Which precautions will you follow to maintain the reproductive health?
If newborns are produced at the age of menopause, they may be with some abnormalities. Why?
Mammalian egg is ____________.
Give a schematic representation of spermatogenesis and oogenesis in humans.
Which of the following enter the maturation phase of oogenesis?
Calculate the number of sperms and ova produced from 40 primary spermatocytes and 40 primary oocytes.
Which is the correct order of steps occurring during spermatogenesis?
Extrusion of second polar body from egg nucleus occurs ______.
Acrosome reaction in sperm is triggered by ______.
After ovulation, Graafian follicle regresses into ______.
At the time of organogenesis, genes regulate the process at different levels and at different time due to ______.
Gray crescent is the area ______.
Which of the following contains the actual genetic part of a sperm?
At what stage of life is oogenesis initiated in a human female?
Which one is released from the ovary?
Sperms can be stored for several years in liquid nitrogen with a temperature of ______.
Fetal sex can be determined by examining cells from amniotic fluid looking for:
Germ cells present in the seminiferous tubules undergo ______
How many primary oocytes produce one oogonia?
Which type of cell division forms spermatids from the secondary spermatocytes?
Draw a neat and labelled diagram of spermatogenesis.
Explain Oogenesis with diagram.
In our society the women are often blamed for giving birth to daughters. Can you explain why this is not correct?
Which gamete is produced through oogenesis?
