One idea of Darless Darwin' theory, as presented in his book on the Origin of Species, is that all of animals and plants originated from an ancestor. It was the same in many aspects of all of living things such as the chemical composition, construction of cell, laws of growth, and response to harmful affection.The study of modern biology had probed deeply into the level molecules. It was known that all of biological functions of living things were corresponded with some molecule which structure is definitiv...