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Created page with "== Introduction == A '''mutagen''' is an agent that causes a change in the deoxyribonucleic acid sequence of an organism. These changes, known as mutations, can occur in various forms, such as base substitutions, insertions, deletions, or chromosomal rearrangements. Mutagens can be physical, chemical, or biological in nature and have significant implications for genetics, evolution, and medicine. Mutagens are crucial in understanding th..."