Someone claims that if genes control a condition, it can be controlled only by drugs or surgery, but not by changes in the environment. Which of the following is the strongest example to CONTRADICT that claim?

Question

Quizplus · Accepted Answer

Phenylketonuria (PKU) is a genetic condition where the body cannot properly break down the amino acid phenylalanine. It is typically managed through dietary changes, such as avoiding foods that contain phenylalanine. This example shows that changes in the environment, specifically in the diet, can control a condition that is controlled by genes.

Someone Claims That If Genes Control a Condition, It Can