Multiple choice

In which of the following mutations, the original phenotype of an organism is restored?

  1. Lethal mutations

  2. A back mutation

  3. Antimorphic mutations

  4. Loss-of-function mutations

  5. Gain-of-function mutations
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A back mutation or reversion is a point mutation that restores the original sequence and hence the original phenotype.

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