Which is a phenotype for earlobe shape?

A) a

B) A

C) Aa

D) detached earlobes

The correct answer is d: detached earlobes

The phenotype is the result of genotype and its interaction with the environment. The phenotype is an observable characteristic of an organism's trait, such as its morphology. So, in this case, morphological characteristic of the earlobe is that it is detached.