In which phases of the cell cycle is the normal cell tetraploid (4N)? A)G₁ and G₂ B)G₁ and S C)S and G₂ D)G₂ and M

Question

Quizplus · Accepted Answer

The cell cannot be tetraploid until DNA synthesis occurs to double the DNA content. In M phase, the chromosomes split and are sent to both daughter cells to make them diploid. Therefore the two phases in which the cell is tetraploid are S phase and G₂.

In Which Phases of the Cell Cycle Is the Normal