Regulatory genes
A) are activated only in certain mutants.
B) are located in only a few of an animal's body cells.
C) determine when and where a protein will be produced.
D) have a less widespread effect than do structural genes.

Question

Quizplus · Accepted Answer

Regulatory genes play a crucial role in controlling the expression of other genes, determining when, where, and how much of a protein is produced in the body. They are essential for the proper development and functioning of organisms by turning on or off the expression of structural genes and other gene types in response to various internal and external signals.

Regulatory Genes