After you gathered your research in the experiment to prove if you were correct or not depending on the outcome of said experiment.
Answer:
Gene expression is a strictly controlled process that allows a cell to respond to changes in its surroundings. It serves as an on/off switch for controlling when proteins are created as well as a volume control for increasing or decreasing the amount of proteins produced.
Lamarck's theory of evaluation is known as the zoological philosophy, or the inheritance of acquired characteristics.
A mutation in DNA affects the entire protiens synthesis process by producing the incorrect amino acids in the wrong places, causing issues with the ability of the organism to survive depending on what the protein is in charge of.