I'm pretty sure it's recessive?
Answer:
the injury happened at some point during its life and is not a genetic defect
C is the answer to your problem
They differ in single trait
Based on the study of soapberry bugs and based on the conditions in which studies have been done, it can be concluded that the Soapberry bugs with shorter beaks had a selective advantage in Central Florida because they were better able to feed on Goldenrain fruits.