When do mutations occur?

Discussion of all aspects of biological molecules, biochemical processes and laboratory procedures in the field.

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Post by leesajohnson » Sat Sep 17, 2016 8:30 am

Mutations occur, quite simply, because it's impossible to achieve 100% accuracy during DNA replication and then not all of the mistakes are detected and then not all of those are correctly repaired. Other than that, physical damage as a result of oxidative damage and radiation is purely random.
That's the "why", I'd say: There isn't a larger philosophical reason why mutations should occur since we cannot determine that the universe has an objective to allow life to develop and vary. https://en.wikipedia.org/wiki/Potassium-40

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