Theory of embryology - theory of epigenesis, Biology

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.
Posted Date: 10/3/2012 6:49:06 AM | Location : United States







Related Discussions:- Theory of embryology - theory of epigenesis, Assignment Help, Ask Question on Theory of embryology - theory of epigenesis, Get Answer, Expert's Help, Theory of embryology - theory of epigenesis Discussions

Write discussion on Theory of embryology - theory of epigenesis
Your posts are moderated
Related Questions
Of which substance are microfilaments made? What are the properties of these elements that give motility to cells? Microfilaments are made of actin (a protein). The contractile

In 2003 nearly 70 million hectares globally were planted in genetically modi?ed crops. Of these, 73%  were plants such as soybean, corn and cotton, which were modi?ed to be he

Ask quYour organs are wonderous things, each one with a different function vital to the homeostasis of your body. While it is easy for us to view a particular organ as a single ite

Determine the types of blood There are three types of blood cells. They are Red Blood Corpuscles (RBC), White Blood Corpuscles (WBC) or leucocytes and blood platelets or thromb

Question 1 Write a short note on the following- Transfection Synthetic seeds Transgenic crops Agrometerology Question 2 Describe any 5 screening techniques use

Zearalenone It was first isolated as the agent responsible for vulvovaginitis in pigs has very little acute toxicity, but there should be some concern about chronic exposure t

Q. Principles of Numerical Taxonomy? Numerical taxonomy is based on the following 7 principles. 1) The greater the content of information in the taxa of a classification is an

Q. What is Osmotic Pressure? Ans. Important characteristic of a cell is 'osmosis'. You would recall reading about osmosis in the Applied Physiology Course in Unit 8. I

Define Procedure for use Microbiological Laboratory Equipments? Now carry out this activity following the steps given herewith: 1. Observe each instrument (as mentioned abov

Subdivisions of Ecology Ecology was earlier divided into plant and animal ecology. However, modem ecology does not make any such distinction since plants and animals are intima