Scientists Isolate Cells in Various Phases of the Cell Cycle

Multiple Choice

Scientists isolate cells in various phases of the cell cycle.They find a group of cells that have 1½ times more DNA than do G₁ phase cells.The cells of this group are _____.

A) between the G₁ and S phases in the cell cycle
B) in the G₂ phase of the cell cycle
C) in the M phase of the cell cycle
D) in the S phase of the cell cycle