Fact 1: Cancer genes can be inherited.

Fact 2: Inherited mutations and inherited afflictions ARE radiation-inducible.

Given the two facts above, answer the question "Cancer genes are" with the following options: 
- it can be seen
 - major threat to health
 - remains of prehistoric life
 - competing for resources
 - biological diversity
 - it keeps an organism warm
 - more abundant
 - radiation-inducible


 

        radiation-inducible 