Multiple choice

The isolated pockets of red-haired people in the British Isles is an example of discontinuous distribution. This distribution pattern is most likely the consequence of

  1. voyaging of red-haired people

  2. natural selection favouring red hair

  3. random mating

  4. random variation
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A Correct answer
Explanation

This distribution pattern is most likely the result of migration of groups of red-haired people into areas where other hair colours pre-dominated. However, it could also result from discriminatory marriage partner selection.

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