An exaptation is a
A)trait originally selected for one function but later co-opted for another.
B)trait of seemingly little importance.
C)gene that codes for beneficial effects in one environment and deleterious effects in other environments.
D)All of the above
E)None of the above

Question

Quizplus · Accepted Answer

An exaptation refers to a trait that was originally selected for one function but later co-opted for another function. This can occur when a trait that was useful for one function is later adapted for a new function due to changes in the environment or other factors. Option B refers to a neutral trait, while option C describes a gene with context-dependent effects. Option D is incorrect since only option A accurately describes an exaptation.

An Exaptation Is a