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Reyana09
@reyana09
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Joined: Nov 16, 2021
Last seen: Dec 29, 2021
Topics: 0 / Replies: 2505
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4 years ago
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4 years ago
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Answer to: How many eggs do you think were released by the ovary of a female dog which gave birth to 6 puppies?

One oogonium produces one ovum and three polar bodies. The ovum is the actual female gamete. The polar bodies take no part in reproduction and hence, ...

4 years ago
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Answer to: How many eggs are released by a human ovary in a month? How many eggs do you think would have been released if the mother gave birth to identical twins? Would your answer change if the twins born were fraternal?

Each ovary develops a number of immature eggs associated with groups of other cells called follicles. Normally, in humans, only one egg is released at...

4 years ago
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Answer to: In our society, women are often blamed for giving birth to daughters. Can you explain why this is not correct?

This is not correct that women in our society are often blamed for giving birth to daughters because the sex of the baby is determined by the father, ...

4 years ago
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Answer to: What is parturition? Which hormones are involved in the induction of parturition?

The process of delivering of the fully developed fetus or baby at the end of the pregnancy period through vigorous contraction of the uterus is called...

4 years ago
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Answer to: What is the menstrual cycle? Which hormones regulate the menstrual cycle?

The recurring cycle of physiological changes in the uterus, ovaries and other sexual structures that occur from the beginning of one menstrual period ...

4 years ago
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Answer to: Identify True/False statements. Correct each false statement to make it true. 1. Androgens are produced by Sertoli cells. 2. Spermatozoa get nutrition from Sertoli cells.

1. False: Androgens are produced by interstitial cells or Leydig cells. 2. True 3. False: Leydig’s cells are found in the testes (in between the ...

4 years ago
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Answer to: Give the functions of the following. 1. Corpus luteum 2. Endometrium 3. Acrosome 4. Sperm tail 5. Fimbriae

The functions of the following: 1. Corpus luteum secretes a large amount of progesterone which is essential for the maintenance of the endometrium ...

4 years ago
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4 years ago
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Answer to: Draw a labelled diagram of a section through ovary.

figure.png Fig: Diagrammatic section view of ovary

4 years ago
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Answer to: What is oogenesis? Give a brief account of oogenesis.

Oogenesis is the production and growth of the ova (egg cell) in the ovary. It starts only after the female has attained puberty. The process is induce...

4 years ago
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Answer to: What are the major functions of male accessory ducts and glands?

The main functions of male accessory ducts and glands are as follows: 1. Functions of accessory ducts: (i) Rete Testis: They transport sperms fr...

4 years ago
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Answer to: What are the major components of seminal plasma?

Secretions of prostate gland, seminal vesicle and Cowper’s gland and , sperms together constitute semen.

4 years ago
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Answer to: Draw a labelled diagram of sperm.

figure.png Fig: A mammalian spermatozoon as seen under electron microscope

4 years ago
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Answer to: Define spermiogenesis and spermiation.

The transformation of spermatid into sperm is called spermiogenesis. The release of sperm from the seminiferous tubules is called spermiation.

4 years ago
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Answer to: Name the hormones involved in the regulation of spermatogenesis.

The hormones involved in the regulation of spermatogenesis are: Gonadotropin-releasing hormone Luteinizing hormone (LH) Follicle-stimulating ...

4 years ago
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Answer to: What is spermatogenesis? Briefly describe the process of spermatogenesis.

Spermatogenesis is the process by which male spermatogonia develop into mature male gamete, spermatozoa. It starts at puberty and usually continues un...

4 years ago
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Answer to: Describe the structure of a seminiferous tubule.

Seminiferous tubules are located in the testicles, and are the specific location of meiosis, and the subsequent creation of gametes, namely spermatozo...

4 years ago
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Answer to: Write two major functions each of testis and ovary.

Testis: The seminiferous tubules of the testis produce sperm. The Leydig cells of testis produce hormones such as androsterone and testosterone...

4 years ago
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