Changes in the DNA sequence, or mutations, help drive
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A mutation is a change in DNA, the hereditary material of life. An organism's DNA affects how it looks, how it behaves, and its physiology. So a change in an organism's DNA can cause changes in all aspects of its life.Mutations are essential to evolution; they are the raw material of genetic variation.
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A mutation is the alteration of a nucleotide sequence in DNA. Since these effects are so significant, they will make some evolutionary changes. For example, a mutation could cause parents with genes for bright coloration to get offspring with genes for darker coloration.
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