I have edited a picture from Google for you. Hope it helps. You just have to replace the tiger with a fox.
<em>Hope it helps</em>
Answer:
chromosomes is the answer
1st blank: Mutation
2nd blank: Substitution
3rd blank: Frameshift
4th blank: Protein
Explanation:
As I think vector is the correct one.
the answer would be the first one which is sexual reproduction
