2.9: Mutations - Biology LibreTexts
https://bio.libretexts.org/Courses/University_of_California_Davis/BIS_2A%3A_Introductory_Biology_(Britt)/02%3A_Face-2-Face/2.09%3A_Mutations
WEBInduced mutations are those that result from an exposure to chemicals, UV rays, x-rays, or some other environmental agent. Spontaneous mutations occur without any exposure to any environmental agent; they are a result of spontaneous biochemical reactions taking place within the cell (including errors of replication).
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