Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Theory of Epigenesis
(i) It was proposed by C.F. Wolff & supported by Von Baer.
(ii) Wolff proposed that germ cells contain definite but undifferentiated substances which, after fertilization becomes organized into various complex body organs (New factors) which form the adult. This idea was referred to as epigenesis.
(iii) The theory of epigenesis is similar to our present day gene concept of heredity.
(iv) Wolff rejected the preformation theory by providing detailed structure of ovum and sperm in chick.
(v) Epigenesis term was coined by William Harvey.
Q What is osmotic pressure? Osmotic pressure is the pressure produced in an aqueous solution by a region of lower solute concentration upon a region of higher solute concentrat
Q. Show types of hiatus hernia? Depending on the extent of herniation and placement of stomach, it could be of two types: 1, Para Oesophageal Hernia (oesophagus is in normal
explain excretory system of prawn?
Q. Bracketed Keys to identifying plants and animals? In bracketed keys two couplet leads of the same rank are bracketed together. The alternative clues or couplets are written
Q. Causes of reduced Serum HDL levels? Possible causes of reduced Serum HDL levels: - Cigarette smoking - Hypertriglyceridemia - Obesity - Genetic factors - Lack
How much time is required for a single cell of Detoxivicatium completeium to grown into a population large enough to fill the volume of the earth?
STRUCTURE OF WATER It may interest you to know that water is a universal solvent and is a major constituent of all living organisms. Earth is the only planet where water exists i
Illustrate the functioning of comprehensive model 1) Provide continuity in understanding developmental progress, or lack thereof, in those disorders that affect neurological de
Functions of the Vascular System The major function of the circulatory system is to provide a transport mechanism for the blood flow to and from the heart. The vascular syste
Sexually-transmitted diseases Many travelers have new sexual contacts during their journeys and are at increased risk for acquiring sexually transmitted diseases including HIV
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd