Business / Agriculture / Mutagen: An agent that causes a permanent genetic change in a cell other than that which occurs during normal growth. Testing to determine mutagenicity is one component of assessing the potential chronic toxicity of pesticides and other chemicals.
Search Google for Mutagen:
Science / Genetics / Targeted Mutagenesis: Deliberate change in the genetic structure directed at a specific site on the chromosome. Used in research to determine the targeted region's function. MORE
Science / Genetics / Mutagenicity: The capacity of a chemical or physical agent to cause permanent genetic alterations. MORE