MUTATION THEORY OF EVOLUTION : A dutch botanist Hugo de Vries (1901), suggested a new theory of organic evolution called "Mutation theory". His theory is based on experiments conducted on…
DARWINISM : Charles Robert Darwin (February 12, 1809 to April 19, 1982) the grandson of Erasmus Darwin, was a British Naturalist. After his early schooling and graduation from Cambridge, he…
LAMARCKISM ( Theory of Inheritance of acquired character) : Jean Baptiste de Monet Lamarck (1744-1829) proposed the "theory of inheritance of acquired character" in the famous book "Philosophie Zoologique" in…
Pattern Formation:- In this article we will discuss about the Pattern formation and it's process. Contents:- * Mechanism of Pattern formation * Cell Autonomous Mechanism * Inductive Mechanism * Morphogenetic…
Regulative Theory:- German scientist Hansdrish strong approach Roux's Mosaic theory. He conducted experiment on sea-urchin eggs exactly in a similar way like Roux. He separated the blastomere at two called…
Mosaic Theory:- Roux in 1888 performed an experiment which may be considering as the beginning of the experimental embryology. He took a frog egg at the two cells, egg of…
Theory Of Epigenesis:- This theory was proposed by Wolff. This theory is an antithesis of Preformation theory. According to this theory is no Preformed of the individual in the ovum…
Theory Of Preformation:- It is an ancient theory to explain the development of organism. According to this theory the miniature of the adult animal including human being is preformed and…
