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A MUTATION IS a permanent change in the genetic material of a cell, as represented by the genes that compose the deoxyribonucleic acid (DNA) molecules that determine the nature and structure of organic material. The cause of the mutation may be internal and result from a malfunction in the process of transmission from one cell to its successors, or it might be stimulated by an external source such as the proximity of chemicals or radiation.

In accordance with the principles of evolution, it is possible that a mutation may represent a better ability to interact with the environment and more chance of long-term survival with the opportunity to pass the genetic change to subsequent generations. However, it is much more likely that a mutation will be ...

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