The following points highlight the four main theories of genetic evolution. The theories are: 1. Lamarckism 2. Darwinism 3. Mutation Theory 4. Synthetic Theory. Genetic Evolution: Theory # 1. Lamarckism: This theory was propounded by Jean Baptiste Lamarck (1744-1829), a French biologist, through his numerous writings. There are four postulates of this theory as listed below: […]