| Term | Definition |
| Gene Mutation | a change in the genetic material (DNA) of a gene |
| Mutagen | Factors in the environment that cause mutations |
| Negative mutations | Can be harmful to an organism |
| Positive mutations | can be helpful to an organism |
| Neutral mutations | mutations that have no effect on organisms |
| gene therapy | Surgery or drugs that treat some mutations |
| When a spirit bears fur color changes its the result of.... | a mutated gene |
| most mutations.... | have no effect on organisms |
| cigarette smoke, radiation and pesticides are what kind of mutation? | Negative mutations |
| what is gene mutation? | when dna of a gene changes |
| name different kinds of mutation | positive, negative, neutral |