Answer the following question: Q: Induced mutations are caused by environmental factors. what term is used to describe a mutation that has no environmental cause? Read this paragraph and choose the correct option from the provided answers: Mutagenesis may occur spontaneously or be induced. A spontaneous mutation can just happen. These mutations are not caused by an environmental factor, but occur during normal cellular processes. A spontaneous mutation may be due to a mistake during DNA replication or transcription. Mutations may also occur during mitosis and meiosis. A mutation caused by an environmental factor, or mutagen , is known as an induced mutation . Typical mutagens include chemicals, like those inhaled while smoking, and radiation, such as X-rays, ultraviolet light, and nuclear radiation. Table below lists some spontaneous mutations that are common. Choices: - cancerous mutation - evident mutation - numerous mutation - spontaneous mutation A:
Answer:
spontaneous mutation