Answer: The ultimate source of new alleles is mutation random changes in the nucleotide sequences of an organism’s DNA.
Chance and Necessity: Essay on the Natural Philosophy of Modern Biology (French: Le Hasard et la Nécessité: Essai sur la philosophie naturelle de la biologie moderne) is a 1970 book by Nobel Prize winner Jacques Monod interpreting the processes of evolution to show that life is only the result of natural processes by “pure chance “.The basic tenet of this book is that systems in nature with …
The most widely accepted theory of evolution states that organisms are modified by natural selection where changes caused by mutations improve their chance of reproductive success . Adaptive mutation states that rather than mutations and evolution being random they are in response to specific stresses. In other words the mutations that occur are more beneficial and specific to the given stress …
Adaptation is an observable fact of life accepted by philosophers and natural historians from ancient times independently of their views on evolution but their explanations differed. Empedocles did n…