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A friend insists that all mutagens are dangerous. How would you respond?

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Mutagens are chemical agents (or even ultraviolet or ionizing radiation) which can induce changes (or mutations) in the structure or sequence of DNA. What are some of the common types of mutations? There are additions (which insert base pairs into the chain), deletions (which remove base ...

Solution Summary

This solution defines mutagens and identifies the common types. It also explains the situations where they present a danger to organisms and when they are completely harmless.

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Cystic Fibrosis and Point Mutations

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What other diseases are thought to be caused by point mutations? What do point mutations do in those diseases?

If you discovered through genetic testing that your best friend's child had CF, what advice would you give your friend about treatments? What about resources your friend might find useful?

Using what you know about point mutations and their potential effects, explain why it might be extremely risky for pregnant women to expose themselves to mutagens (things that cause mutations) during pregnancy. How can we determine a safe level of exposure?

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