Mutations that occur naturally without external agents are called:
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Correct answer: Spontaneous mutations
Spontaneous mutations arise from errors during DNA replication or repair. They occur without exposure to mutagens.
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More Mutations: Types and Causes questions
- Which enzyme system primarily helps correct replication errors to reduce mutations?
- Which consequence of mutation provides raw material for evolution?
- Which type of mutation is most often associated with genetic disorders?
- Which of the following can cause insertion or deletion mutations?
- Why are most mutations considered neutral or harmful rather than beneficial?
- Which type of mutation involves a change in a single nucleotide pair?