You are presented with the question "Cancer genes can be a what?" and the following answer choices: 
- refract or absorb.
 - mistake in the gene
 - massive damage
 - fault of the protein
 - mistake in the wall
 - purpose of the cell
 - major threat to health
 - a lot of human deaths

Now knowing that cancer genes can be inherited and an inherited mutation is a mistake in the gene, choose the best answer.


 

  mistake in the gene       