The largest group of chemical mutagens consists of

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The largest group of chemical mutagens consists of alkylating agents, which include chemicals like ethylmethanesulfonate, nitrosoguanidine, and dimethylsulfate. These agents add alkyl groups to the nitrogenous bases of DNA, causing structural changes that can lead to mutations. Radiation is another type of mutagen, but it does not fall under the category of chemical mutagens. Base analogs and nitrous acid are also chemical mutagens, but they do not make up the largest group.

The Largest Group of Chemical Mutagens Consists of