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

What is gene therapy, What is Gene therapy Gene therapy targets non ger...

What is Gene therapy Gene therapy targets non germ line cells, ie somatic cells, so will not directly affect gene pool. The frequency of the allele for the genetic disease w

Compute the osmolarity of a solution, Calculate the osmolarity of a solutio...

Calculate the osmolarity of a solution of 5% dextrose in water (dextrose = glucose, molec. Wt. = 180).

What are the degenerative diseases of the nervous system, Q. What are the m...

Q. What are the main degenerative diseases of the nervous system? The major degenerative diseases of the nervous system are Alzheimer's disease and Parkinson's disease. The

What are the uses of wpc, What are the uses of WPC?  Whey protein conce...

What are the uses of WPC?  Whey protein concentrates are used extensively in the manufacture of baked goods, where they enhance the effectiveness of shortening through better d

Cardio pulmonary bypass , CARDIO PULMONARY BYPASS  :  Open-heart surgery i...

CARDIO PULMONARY BYPASS  :  Open-heart surgery is considered as one of the most significant advances in medicine of 20th century. Establishment of safe cardio pulmonary bypass (CP

Define role of public nutritionist in health care delivery, Define the Role...

Define the Role of Public Nutritionist in Health Care Delivery? It is clearly evident from the foregoing discussion that nutrition is an important, though not the only, determi

Determine the different types of sensory receptors, Determine the different...

Determine the different types of sensory receptors There are different types of sensory receptors as follows:  Visual receptors in the eyes for vision.  Auditory receptor

Illustrate meiotic division, Q. In which meiotic division does the separati...

Q. In which meiotic division does the separation of the homologous take place and what are the ploidies of the generated cells after the end of that process? The separation of

What is the relevance of knowing about gi of foods, What is the relevance o...

What is the relevance of knowing about GI of foods? Let us see how this index is helpful in prescribing therapeutic diets. You would realize that the dietary GI provides an ind

Aschelminthes, in what part of the human body aschelminthes found?

in what part of the human body aschelminthes found?

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