Mutation of the fru (fruitless)gene in fruit flies results in males attempting to mate with other males.This is an example of which of the following?

Question

Quizplus · Accepted Answer

The behavior exhibited by the mutant male fruit flies is a fixed action pattern, which is a behavior that is innate and unchangeable once initiated, triggered by a specific stimulus. In this case, the stimulus is the presence of another male fly, which triggers the mating behavior despite the fact that it is not a viable mate.

Mutation of the Fru (Fruitless)gene in Fruit Flies Results in Males