Scientists Isolate Cells in Various Phases of the Cell Cycle

Multiple Choice

Scientists isolate cells in various phases of the cell cycle. They isolate a group of cells that have 1½ times more DNA than G1 phase cells. What is the most likely part of the cell cycle from which these cells were isolated?

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