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Glossary of "Life (9th ed.)" by Sadava et al. (2011)

  • A change in the genetic material not caused by recombination.

Glossary of "The Third Chimpanzee" by Diamond (2014)

  • in genetics, a change in the structure of a gene or chromosome that leads to an organism having traits or features that its parents did not have; a mutation may have no noticeable effect, or it may be harmful to the organism, or it may be favorable and improve the organism's chances of survival; evolution is a drive by favorable mutations that leads to the development of new species

Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.)" by Botkin & Keller (1998)

  • Stated most simply, a chemical change in DNA molecule. It means that the DNA carries a different message than it did before, and this change can affect the expressed characteristics when cells or individual organisms reproduce.


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