Why Was It Necessary to Do Serial Transfers in the Experiment

question 19

Multiple Choice

Why was it necessary to do serial transfers in the experiment illustrated above?

• A)Each serial transfer is equivalent to a generation and thus provided an opportunity for natural selection to occur over time.
• B)Each serial transfer was necessary to reintroduce RNA into the system.
• C)Each serial transfer decreased the population size so that genetic drift could occur.
• D)Because the experiment took place in a lab, serial transfers were necessary so that the researchers could go home at night.

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