Answer:
1) mutations 2) sickle cell anemia. Hope this helps you :)
Explanation:
<span>It's the third option.</span>
Parents (phenotype - phyical expression of a trait O+) would both have to be genotype (genetic makeup of a trait) O+-
Biological Control is the answer Definition: Is the use of natural enemies-predators, parasites, pathogens, and competitors— to control pests and their damage
