In the 1920s Muller Discovered That X-Rays Caused Mutation in Drosophila

question 45

Multiple Choice

In the 1920s Muller discovered that X-rays caused mutation in Drosophila. In a related series of experiments in the 1940s, Charlotte Auerbach discovered that chemicals-she used nitrogen mustards-have a similar effect. A new chemical food additive is developed by a cereal manufacturer. Why do we test for its ability to induce mutation?

• A) We worry that it might cause mutation in cereal grain plants.
• B) We want to make sure that it does not emit radiation.
• C) We want to be sure that it increases the rate of mutation sufficiently.
• D) We want to prevent any increase in mutation frequency.
• E) We worry about its ability to cause infection.

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