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Spontaneous mutation

spontaneous mutation n.
A mutation that arises naturally and not as a result of exposure to mutagens. Also called natural mutation.


Read Also:

  • Spontaneousness

    adjective 1. coming or resulting from a natural impulse or tendency; without effort or premeditation; natural and unconstrained; unplanned: a spontaneous burst of applause. 2. (of a person) given to acting upon sudden impulses. 3. (of natural phenomena) arising from internal forces or causes; independent of external agencies; self-acting. 4. growing naturally or without cultivation, […]

  • Spontaneous pneumothorax

    spontaneous pneumothorax n. A pneumothorax occurring secondary to parenchymal lung disease.

  • Spontaneous recovery

    noun 1. (psychol) the reappearance of a response after its extinction has been followed by a period of rest

  • Spontaneous version

    spontaneous version n. A turning of the fetus occurring as a result of the unaided contraction of the uterine muscle.

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