Scientists isolate cells in various phases of the cell cycle. They isolate a group of cells that have 1 1/2 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.