Answer:
One example of genetic drift is: an earthquake kills 90 percent of the green beetles in a population of green, brown, and black beetles.
Explanation:
Basically, natural events, such as earthquakes or floods, can often cause genetic drift. Imagine a population of foxes with both solid and striped tails. If a forest fire kills half of the foxes with striped tails, it will cause genetic drift. Most of the surviving foxes will have solid tails, and this trait will be passed on to future generations more often than a striped tail.
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