Biology for IGCSE & O level - Variation And Selection (Section 3 - No. 20)
Which of the following is most likely the cause of white mice appearing in a population of wild mice that typically have brown fur?
Adaptation to a new environment.
Artificial selection by predators.
Competition among the mice.
A random mutation.
Explanation
The appearance of white mice in a brown-furred population is most likely due to a random mutation, a change in the mice's genetic makeup.
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