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

Hemoglobin binds o2 cooperatively, Which of the following statements is cor...

Which of the following statements is correct? A. Hemoglobin binds O2 cooperatively, while myoglobin does not. B. Myoglobin binds O2 cooperatively, while hemoglobin does not.

Quantitative or analytical method for estimation of nitrogen, Define Quanti...

Define Quantitative or Analytical Method for Estimation of Nitrogen and Protein? You may recall reading earlier that proteins contain nitrogen along with carbon, hydrogen and s

Air pollution - environmental pollution, Air Pollution - Environmental Poll...

Air Pollution - Environmental Pollution The threat due to air pollution became apparent only when some severe episodes caused human casualty in USA, Britain (London) and Japan

Define method for radiographic evaluation of the outcome, Method for Radiog...

Method for Radiographic evaluation of the outcome or RCT Ørstavik and associates suggest the use of the periapical index (PAI) for radiographic evaluation of the outcome of roo

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

explain the mode of nutrition in paramecium, euglena and hydra

What is molting, What is Molting? Explain in brief. The periodic sheddi...

What is Molting? Explain in brief. The periodic shedding of outer body covering of an animal. The term is applied to a variety of things including: loss of the outer exoskeleto

Amoeba, Place a slide of Amoeba (common species is A. proteus) under tlie l...

Place a slide of Amoeba (common species is A. proteus) under tlie lnicroscope and focus it under low power (5x x 5x), and observe it carefully. Amoeba looks like an irregular colou

Define effect on human chorionic gonadotropin in pregnancy, Define effect o...

Define effect on Human chorionic gonadotropin in Pregnancy? Human chorionic gonadotropin (HCG) begins to increase immediately on implantation of the ovum and reaches a peak at

Determine the term - chlorine, Determine the term - Chlorine   The appl...

Determine the term - Chlorine   The application of chlorides results in leaves of greater spread, a lighter green colour and with a smoother surface. However, the combustibilit

Nutrition in organisms, a project on different types of heterotrophic mode ...

a project on different types of heterotrophic mode of nutrition in organisms

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