Question

Frequency of an allele in an isolated population may change due to

• A. Genetic drift
• B. Gene flow
• C. Mutation
• D. All of the above

Answer 1

Answer: (D)

All of the above

Allele frequencies in a population may change due to gene flow, genetic drift, natural selection and mutation. These are referred to as the four fundamental forces of evolution.

So the correct option is 'All of the above'.