“Geneticists will tell you that. Evolution is always happening. What they mean is that the genes of this generation are not precisely what they were the preceding generation. Nor will they be precisely the same in the next. And evolution is that change.”

Source: The Beak of the Finch: A Story of Evolution in Our Time (1994), Chapter 9, Creation by Variation (p. 126)

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Jonathan Weiner 11
American nonfiction writer 1953

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