MCAT Biology Question — Meiosis and Mitosis
- Mar 27, 2017
- MCAT Question of the Day
- Reviewed By: Liz Flagge
Which of the following phases are common to cells undergoing meiosis and mitosis?
- G1 phase
- G2 phase
- M phase
- I only
- I and III only
- II and III only
- I, II, and III
Click for Explanation
This question asks the examinee to determine phases within the cell life cycle common to both mitotic-dividing cells and meiotic-dividing cells. The cell cycle is composed of interphase and M phase. In both meiotic- and mitotic-dividing cells, interphase includes the G1, S, and G2 phases, and in highly specialized cells, such as neurons, a G0 phase. Both cell types go through the M phase as either meiosis or mitosis. Thus, I, II and III are correct, making answer choice D the best answer.
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