Which of the Following Statements About Gene Expression Is True

Multiple Choice

Which of the following statements about gene expression is true?

A) All genes possessed by an individual are expressed continuously.
B) All genes contained in a particular cell are expressed in that cell, but not all genes are contained in every cell.
C) Some genes are expressed for only a short period of the cell's life.
D) All genes possessed by an individual are expressed at some point in the individual's life.
E) Both B and D are true statements.
F) Both C and D are true statements.