Butterflies Use Taste Receptors to Detect the Presence of Different

Multiple Choice

Butterflies use taste receptors to detect the presence of different foods.The receptors are encoded by genes in a gene family.Which circumstance would most likely lead to the evolution of pseudogenes in this gene family?

A) A shift from feeding on one species to feeding on many
B) A shift from feeding on many species to feeding on just one
C) The presence of a new predator
D) Selection for faster development
E) Selection for slower development