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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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JustGuilty JustGuilty
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6 years ago
Some mutagens cause genetic changes that can be corrected by reexposing cells to the same mutagen. Other mutagens do not behave in this way. Provide one example of each of these two types of agents and describe the mutational changes caused in
 
  Explain why some mutagens behave in one way, whereas others do not.
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Essentials of Genetics

Essentials of Genetics


Edition: 9th
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6 years ago
Mutagens that cause base substitutions are corrected by mutagens of the same class (nitrous acid, 2-aminopurine, and 5-bromouracil). Frameshift mutations are corrected by the same class of frameshift mutagens, but not by mutagens that cause base substitutions. X rays cause major structural changes in chromosomes (deletions, translocations, etc.) and are not corrected by any mutagen, including X rays.
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