Oogenesis, Biology

Assignment Help:

Oogenesis

Oogenesis is the formation of ovum from oogonial cells that are formed in the ovary from primordial germ cells. And as in spermatogenesis it involves meiosis to produce haploid ovum. You have learnt in the section on spermatogenesis that the differentiation of sperm occurs after the meiotic events. In oogenesis the process of first meiotic division is very prolonged; and it is during this process that growth and differentiation of oocyte take place. In many animals most events related to oocyte differentiation occur during prophase I of first meiotic division. In animals which produce yolk-laden eggs, this phase is divided into

  • Previtellogenesis (before yolk production)
  • Vitellogenesis (yolk deposition)
  • Post Vitellogenesis (after yolk deposition)

Related Discussions:- Oogenesis

Explain advantages and disadvantages of spread plate method, Explain Advant...

Explain Advantages and Disadvantages of Spread Plate Method? The advantages and disadvantages of spread plate method are highlighted next. Advantages   1. It is useful fo

Illustrate the categories of alloplastic implant materials, Categories of a...

Categories of alloplastic implant materials The entire groups of possible alloplastic implant materials, regardless of their clinical applications fall into the following categ

What are cilia and flagella, Cilia and flagella are structures found in var...

Cilia and flagella are structures found in various prokaryotes as well in some eukaryotic cells. They play defense, nutrition and movement roles for the cell. In eukaryotic cells o

Which is structural isomers, Structural isomers: Select one: a. Have ...

Structural isomers: Select one: a. Have the same molecular weight b. Have the same connectivity c. Are mirror images d. All of the above e. None of the above

Water, Water Water is the most important constituent of all living tis...

Water Water is the most important constituent of all living tissue. It forms up to 95% of the fresh weight of some animals. We all know that water is lost through sweat, excre

Explain the coenzyme in enzyme catalyzed reactions, Explain the Coenzyme in...

Explain the Coenzyme in enzyme catalyzed reactions? Thiamin functions as the coenzyme thiamin pyrophosphate (TPP) in the inetabolism of carbohydrates and branched- chain amino

What is phosphorylation, Q. What is phosphorylation? What are various biolo...

Q. What is phosphorylation? What are various biological processes in which phosphorylation plays a critical role? Phosphorylation is the name given to procedure of the addition

How far from the building should the fire hose be located, A fire hose ejec...

A fire hose ejects a stream of water at an angle of 38.8 ° above the horizontal. The water leaves the nozzle with a speed of 26.6 m/s. Assuming that the water behaves like a projec

Explain about the adipose tissue - energy balance, Explain about the Adipos...

Explain about the Adipose tissue - energy balance? At this point, it will not be irrelevant to consider how exactly an increase in the fat depot takes place. For understanding

Hypothetical bacterial cell, A microbiology student isolated a hypothetical...

A microbiology student isolated a hypothetical bacterial cell that seems to quadruple every generation. Knowing that binary fission is an exponential function, derive a mathematica

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd