The DNA content of individual cells and the number of cells in each phase of a cell cycle" can be determined using flow cytometry. Which of the following combinations of "phase of a cell cycle and its corresponding DNA content" can be considered normal?
(i) Diploid cells found in the `G_(0)` or `G_(1)` phase.
(ii) Cells with twice the normal DNA content in the early M phase.
(iii) Cells with twice the normal DNA content in the `G_(2)` phase.