An African butterfly that is green in the summer turns brown in the fall thanks to a temperature-controlled genetic switch. This best illustrates that genes are

Question

Quizplus · Accepted Answer

The fact that the African butterfly's genes can switch between producing green and brown pigments based on the temperature of the environment demonstrates that they are self-regulating.

Answer: D
 Genes code for protein molecules, but this answer choice does not reflect the specific process described in the scenario.

Therefore, the best choice is B.

An African Butterfly That Is Green in the Summer Turns