Monday, April 26, 2010

Lecture, chapter 11 - Mutation

Today we talked about agents that produce mutations (mutagens), and we focused in radiation and chemicals.

When discussion radiation we mentioned the various sources of radiation to which we are exposed and the average amounts to which the U.S. population is exposed. We also mentioned some of the variations from the average depending on people's profession, location, or whether they are undergoing medical testing or treatment.

When discussing chemicals, we talked about the classification of chemicals according to the kind of change they induce on DNA. Specifically we discussed base analogs, intercalating agents, and chemicals that alter DNA.

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