Multiple choice

Which of the following factors is the ultimate source of genetic variability leading to evolution?

  1. Migration

  2. Natural selection

  3. Genetic drift

  4. Mutation

  5. Gene flow
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mutation is the ultimate source of genetic variability which brings about evolution. Mutation is the ultimate source of genetic variability which brings about evolution and is not gene flow.

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