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Some weed killers, insecticides, and food additives alter the dna of certain cells. because of this effect, these substances are known as

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The answer is mutagens. In genetics, mutagen is a physical or chemical agent that changes the genetic material usually that of DNA of an organism and thus increases the frequency of mutations above the natural background level. DNA changes caused by mutagens may harm cells and cause certain diseases such as cancer.
User Carl Bosch
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