Mutagen,

Definition of Mutagen:

1. An agent, such as radiation or a chemical substance, which causes genetic mutation.

2. Biological, chemical, or physical agent, process, or substance that causes permanent genetic change (mutation) in a cell (other than which occurs during normal cell growth) due to genetic alterations or loss of genes or chromosomes. Such mutations may be the early steps in a sequence of events that ultimately lead to development of cancer.

How to use Mutagen in a sentence?

1. Among the mutagens that have been used to induce mutations, chemical mutagens administered in various ways have become especially popular.