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Science · Grades 7–8

Mutation

noun

A change in the DNA sequence of an organism that can alter traits.

Example Sentences

"Some mutations are harmful, while others can provide a survival advantage."

"Radiation and certain chemicals can increase the rate of mutations."

Synonyms & Related Terms

genetic changevariation

Quick Check

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Study Tips

To remember mutation, try writing it in a sentence of your own. Connect it to something you already know about science.

Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.