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What is the significance of mutations to living things?

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Mutations in an individual or population are necessary for adaptation to the environment, which is the driving force behind evolution. Without natural mutations, living organisms would not progress or evolve as a population in response to variable environmental stimuli. read more

Mutations are fluke changes in DNA and generally aren't very helpful at all. In fact, most mutations result in death or sterility, so I guess they are rather significant to the particular living thing they affect. read more

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