Theory of embryology - theory of epigenesis, Biology

Assignment Help:

THEORY OF EPIGENESIS -

  1. It was propounded by C. F. Wolff and supported by Von Baer.
  2. According to it, the egg contains the substances which are required in the formation of animal. These substances form layers during the development.
  3. William Harvey given the word epigenesis. According this embryo is formed from fusion of male and female gamete.
  4. According this serial development is from simple to complex.

Related Discussions:- Theory of embryology - theory of epigenesis

Define the proteins requirement to avoid underweight problem, Define the Pr...

Define the Proteins requirement to avoid underweight problem? Proteins are required for tissue building, as well as, to take care of the daily wear and tear. Under weight indiv

Define feeding options for premature and lbw babies, Define Feeding Options...

Define Feeding Options for Premature and LBW Babies? Different workers have tried different method and since all methods are successful, it is dependent on the individual infan

Reduction in left ventricular, Q. Reduction in left ventricular? Vasodi...

Q. Reduction in left ventricular? Vasodilators improve stroke volume, and reduce degree of regurgitation. This results from decrease in systemic vascular resistance and leads t

Concerning the number of hosts how are parasites classified, Q. Concerning ...

Q. Concerning the number of hosts how are parasites classified? The Parasites that require only one host are called as monoxenous parasites. The Parasites that need more than o

Explain significance of mitosis for embryonic development, Q. What is the s...

Q. What is the significance of mitosis for the embryonic development? Every embryo grows from a single cell that bears mitosis and generates other cells that also divide themse

Briefly explain lichens organism, Briefly explain Lichens organism? Lic...

Briefly explain Lichens organism? Lichens are unique organisms consisting of a symbiotic relationship between a fungus and a photosynthetic organism. They represent a type of s

Explain the root-end preparation - endodontic surgery, Explain the Root-End...

Explain the Root-End Preparation - endodontic surgery a. Class I type preparation, 3mm depth. b. Tips are designed in a length of 3 mm to prevent procedural errors. c. Ul

Microbiology, advantages of spread plate method over pour plate method

advantages of spread plate method over pour plate method

Valvular heart diseases and its causes, Valvular Heart Diseases Normal...

Valvular Heart Diseases Normal heart valves function to maintain a uni-directional flow of blood through cardiac chambers. Two basic problems that compromise the normal functi

What is end-to-end anastomosis subclavian flap aortoplasty, What is End-to-...

What is End-to-End Anastomosis with Subclavian Flap Aortoplasty ? The two operations can be combined as a single procedure. Medially end-to-end anastomosis is done between the

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