14.4- Mutations

14.4- Mutations

Key Questions

• In what ways do mutations change genetic information?

• How do mutations affect genes?

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can involve changes in the sequence of nucleotides in DNA r changes in the number or structure of chromosomes.

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Mutations that change a single base pair are known as

mutations.

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Insertions and deletions are also called

mutations.

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Some mutations arise from

, chemical or physical agents in the environment.

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The condition in which an organism has extra sets of chromosomes is called

.

Open Ended

Describe the ways mutations can affect DNA and chromosomes.

Open Ended

What are the possible ways that a mutation may affect an organism.