Which structure carries instructions for producing the proteins that help make a person’s hair curly?

A gene is a section of DNA that carries instructions for making a protein. Proteins in hair help determine traits such as whether a person’s hair is curly. Phosphate and deoxyribose are parts of DNA, while a lipid is a type of fat; none of these carries the specific instructions like a gene does.

AI-written and checked against the verified answer.