Biology, 19.11.2020 18:40, jalalblal

Which best summarizes the effects of mutations on organisms? Mutations are sometimes helpful, sometimes harmful, and sometimes neutral.
Mutations are usually harmful, sometimes neutral, and never helpful.
Mutations are sometimes neutral, sometimes helpful, and never harmful.
Mutations are always harmful, never helpful, and never neutral.

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Which best summarizes the effects of mutations on organisms? Mutations are sometimes helpful, somet...