The Results of the Lenski and Travisano Experiment on Cells

question 20

Multiple Choice

The results of the Lenski and Travisano experiment on cells in 12 replicate lines of E.coli illustrate the fact that

• A)evolution by natural selection is sometimes significantly affected by chance events, such as random mutations, and the order in which they happen.
• B)evolution by natural selection is often a predictable, repeatable process.
• C)A and B
• D)None of the above

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