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

What factor below contributed to the current variations, According to the t...

According to the theory of natural selection, what factor below contributed to the current variations in beak sizes of finch species on the Galapagos islands? a. Finches dispersed

Poultry and duck diseases-hydropericardium syndrome, Hydropericardium syndr...

Hydropericardium syndrome Hydropericardium syndrome (HPS), known as Leechi disease, is caused by Avian Adenovirus 4. HPS has been responsible for high mortality ranging from 6

What volume of 19 m formic acid need in experiment, You are interested in u...

You are interested in using formic acid (pKa = 3.75) as a buffer for your biochemical Experiment. a) Would it be most useful for creating a buffered solution at pH 2, 4 or 6? Ex

A monohybrid cross, A monohybrid cross: A.Determines the genetic makeup of ...

A monohybrid cross: A.Determines the genetic makeup of an organism B.always involves homozygous alleles. C.always involves organisms that are heterozygous at all loci. D.Always inv

Explain economic status of diet, Economic Status Economic Status  :  I...

Economic Status Economic Status  :  It is one of the important practical considerations to be kept in mind while  formulating  a diet prescription. During  an acute illness, a

What is cyclosis, Cyclosis is a type of internal cell movement in which an ...

Cyclosis is a type of internal cell movement in which an oriented flow of circulating material is formed and maintained in the cytoplasm by the action of microfilaments. Cyclosis i

............., notochotr is absent in the group ...........

notochotr is absent in the group ...........

Determine the synaptic process, Since neurotransmitters are not consumed in...

Since neurotransmitters are not consumed in the synaptic process, what are the mechanisms to decrease their concentrations in the synaptic cleft after they have been used? As t

Explain chorioallantois membrane of birds and reptiles, Q. What is the chor...

Q. What is the chorioallantois membrane present in the embryonic development of birds and reptiles? How does this membrane participate in the energetic metabolism of the embryo?

Explain detail about the golgi bodies, Explain detail about the Golgi Bodie...

Explain detail about the Golgi Bodies Eukaryotic cells possess, within the cytoplasm, a complex organisation of a cluster of membrane-surrounded vesicles called the Golgi bodie

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