Characteristics such as a widow's peak or attached earlobes are determined by the genetic code. which components of dna are referred to as the genetic code?

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

the correct answer is:

a population changes in response to a change in the environment.