Introduction to cleavage, Biology

Assignment Help:

INTRODUCTION -

  1. Karl Von Baer - Coined the term cleavage. Swammerdom - First time seen cleavage.
  2. Prevost and Dumas - Reported cleavage of frog's egg. Spllanzani - Detailed process of cleavage of frog's egg.
  3. Balfour - Explained that, the rate of cleavage depend upon the amount of yolk.
  4. Process of progressive subdivision of the zygote by mitotic cell division into an increasing number of cells of progressively decreasing size is called cleavage.
  5. Clevage is a rapid mitotic division of zygote to form a hollow, spherical & multicellular embryo.
  6. Cleavage is also called cellulation or segmentation.

Related Discussions:- Introduction to cleavage

Define association between inflammation and fever, Q. What is the associati...

Q. What is the association between inflammation and fever? In the tissue region where inflammation occurs prostaglandins, cytokines, bacterial toxins, interleukins and endothel

Continuous suture technique-prosthetic aortic valve, Continuous suture tec...

Continuous suture technique: Monofilament 2'0' prolene sutures, which slide through easily, are used for this technique. three double armed prolene sutures are taken and with val

Gametogenesis, The process by which gametes are produced in the gonads is k...

The process by which gametes are produced in the gonads is known as gametogenesis. The process of formation of male gametes or sperm is known as spermatogenesis is of great sign

Mode of nutrition, explain the mode of nutrition in paramecium, euglena and...

explain the mode of nutrition in paramecium, euglena and hydra

Workgroup, Workgroup A Workgroup is a group of people who are working ...

Workgroup A Workgroup is a group of people who are working together on the same project. The members of such a group are usually (not always) located in close physical proximi

Agro industrial-mineral supplements, Mineral supplements There are two...

Mineral supplements There are two major classes of mineral sources: inorganic and organic. Organic complexes, however, have been shown to be more effectively absorbed by the a

Chlorophyll and haemoglobin, dialouge on cartoon between chlorophyll and ha...

dialouge on cartoon between chlorophyll and haemoglobin

Animal physiology, what are the animals with respiratory organs?

what are the animals with respiratory organs?

Cover (area occupied) - quantitative characters, Cover (area occupied) - Qu...

Cover (area occupied) - Quantitative Characters Cover or specifically herbage cover refers primarily to the area of ground occupied by the leaves, stems and inflorescence i.e.

What do you mean by an antibiogram, Q. What is an antibiogram? The Anti...

Q. What is an antibiogram? The Antibiogram is a laboratory test intended to guide the choice of sufficient antibiotic to treat a given bacterial infection. In an Antibiogram cu

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