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  1. Spermatogenesis takes place in the testes of males, oogenesis takes place in the ovary of the females.
  2. Spermatogenesis produces small, motile spermatozoa whereas in oogenesis the ovum is spherical, not motile and is much larger with more food reserves and cytoplasm.
  3. Spermatogenesis involves a metamorphosis stage called spermiogenesis, in oogenesis there is no metamorphosis stage.
  4. In spermatogenesis, 4 gametes are produced from each meiotic division, whereas in oogenesis there is only 1 gamete produced from each division as the unequal cytokinesis leads to the formation of polar bodies.
  5. Spermatogenesis occurs in males (human males) continuously from puberty to death whereas oogenesis starts in females in the fetal period. It takes 70 days for sperm to be produced in males.
  6. In oogenesis, the development of the oocyte is arrested at prophase I of meiosis until puberty, and then stops at metaphase II of meiosis until fertilization, where the meiotic division is finally completed. In males meiosis occurs continuously
  7. The hormones in the 2 processes have different effects - in oogenesis, FSH is responsible for the choice of the primary oocyte and causes the cells of the membrana granulosa to proliferate to form the theca interna which secretes oestrogen, and the theca externa. LH in females stimulates ovulation and the maturation of the Graafian follicle. In males, on the other hand, FSH increases the activity of the Sertoli cells which are involved in spermiogenesis (the metamorphosis stage of spermatogenesis). LH in males stimulates the Leydig cells to secrete testosterone.
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8y ago
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15y ago

Oogenesis is the creation of an ovum (egg cell). It is the female process of gametogenesis. Spermatogenesis is the process in which a male sperm develops into a mature spermatozoa. The main the difference is one is male and one is female. The information was retrieved from these links and I suggest going to them for a more detailed description of the two: http://en.wikipedia.org/wiki/Spermatogenesis and http://en.wikipedia.org/wiki/Oogenesis

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8y ago

Gametogenesis is the production of sex cells. Oogenesis, a type of gametogenesis, is the production of egg cells.

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Q: What is the difference between spermatogenesis and oogenesis?
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Two examples of gametogenesis?

Gametogenesis is defined as the production of gametes, or sex cells. The two examples would be spermatogenesis (production of sperm in males) and oogenesis (production of eggs in females.)


What is the name for male meiosis?

It is called spermatogenesis and for females it is called oogenesis.


What is the best way to remember stages of Spermatogenesis and Oogenesis?

When trying to remember stages of Spermatogenesis and Oogenesis it is helpful to make up a song to a familiar tune about the different steps. You can also use an acrostic to help memorize the information.


Responsible for gametogenesis?

Gametogenesis occurs in the gonads. Spermatogenesis happens in the testes, and oogenesis in the ovaries.


Why you need to explain spermatogenesis and oogenesis to a couple?

Because the birds and the bees is a fairy tale.


The final product of oogenesis is one?

The cellular product of spermatogenesis is four spermatids. The final product of oogenesis is one ovum and three polar bodies.


How do oogenesis and spermantogenesis differ?

In oogenesis after the first meiotic division one egg and one tiny cell are created. In Meiosis II the egg and three small cells are created. The three small cells are thrown away and the egg undergoes fertilization. In spermatogenesis after meiosis II four working sperms are ready to be used. There is only one usable cell created in oogenesis while in spermatogenesis four cells are created. the end result of oogenesis is only one viable cell while in sprematogenesis there are four.


How are oogenesis and spermatogenesis similar?

Oogenesis is the formation of the ovum, and spermatogenesis is the formation of the sperm. These two processes are similar as they are both formed by meiosis, (reduction division). Meiosis is the process of cell division where one mother cell will create four daughter cells with half the amount of genetic information. Or in other words, oogenesis and spermatogenesis are creating gametes.


Do reproductive cells produce sex cells?

by meiosis. for sperm it is called spermatogenesis while for eggs it is called oogenesis.


Does oogenesis involve meiosis?

Yes, both oogenesis (egg production) and spermatogenesis (sperm production) utilize meiosis to produce haploid gametes, or gametes with half the normal amount of genetic material.


How many cells does spermatogenesis and oogenesis produce in humans how many chromosomes are in each?

spermatogenesis produces 4 sperm cells and oogenisis produces one ovum. Both have 23 chromosomes each


What is called the process of formation of gametes?

the formation of sex cells GAMETES: sperm or egg cells Gamete formation: gametogenesis Sperm formation: spermatogenesis Egg formation: oogenesis