Recent Examples of mutagen from the Web
The fallout leads to three samples of an experimental mutagen dropping through the atmosphere and landing on Earth, where a wolf, an alligator, and George are all infected.
The main villain is not Shredder, but instead a cat named Old Hob, who was also transformed by the same mutagen that brought The Turtles to their current state.
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Origin and Etymology of mutagen
First Known Use: 1933See Words from the same year
Learn More about mutagen
Britannica.com: Encyclopedia article about mutagen
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