In this laboratory investigation, students learn the concept of mutagenesis and explore how different substances can act as mutagens.The experiment utilizes a strain of yeast that lacks several DNA repair mechanisms, allowing it to accumulate mutations after exposure to mutagens. Students expose this strain of yeast to everyday substances (soda, soap, Aspirin, glue, etc.) and record the effects. Using this data, students will infer the affect of these substances on living organisms.

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