Through gene expression, the messages encoded in the DNA contained in a cell direct the cell’s activity. Which of the following sentences best defines gene expression?
A.
Gene expression is the correspondence between nucleotide triplets in DNA and the amino acids in proteins.
B.
Gene expression is the activation of a gene that results in the formation of a protein.
C.
Gene expression is the genotype of an organism.
D.
Gene expression is the process by which DNA is replicated and transcribed.
