Charles Darwin stated that over time life could change so much so that new species are formed from a single species. But Darwin did not know where these mutations occurred. His theory could explain how humans and chimps are so alike yet different. Are we all just accidents of creation caused by mutations? Genetic mutations occur in the DNA of an organism. They can be influenced by environment or may occur during mitosis or meiosis. Mutations have been shaping life since it began and is the cause for from one generation of a species to the n ....