mutate


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(MYOO-tate)

When a gene changes in a way that is not normal. The change can result in a damaged gene, missing gene, or a gene that ends up in the wrong place. It may be caused by mistakes when a cell divides. It may be caused by something in the environment. The change (called a mutation) can be harmful, good, or have no effect.

Read about genetics and breast cancer risk.

Hyde_pierce_david_tcm8-329521

Audio contributed by: David Hyde Pierce

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