Answer:
Your answer is 4. Hope this helps you. Have a great day! :)
Explanation:
Homozygous! the prefix homo- means the same, while hetero- means different.
It is like when you take a medicine you don't need, it becomes useless when you need it because your body can fight it off. So, I would have to say that the pesticides have been used on the bugs so much that they can finally fight it off. I really hoped I helped :D
