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JAMB Biology 2008 Question 50

Question 50

Evolution

The natural process that produces adaptive evolutionary changes is

  1. A.mutation
  2. B.gene flow
  3. C.genetic drift
  4. D.natural selection
Show the answer and explanation

Answer: D (natural selection)

Explanation

Natural selection lets individuals with useful variations survive and breed more, so over generations the population becomes better adapted. Mutation, drift and gene flow change genes at random.