Begin by reading the description of the five major cell phases. You will need to keep this information in mind during the activity.
Make a copy of the data sheet that appears on the second page. You will need it to answer the questions.
Proceed through the activity, identifying the phase for each cell you are shown. Pay attention to the hints if you misidentify a cell at first.
| | Interphase | Prophase | Metaphase | Anaphase | Telophase | Total |
| Number of Cells | 20 | 10 | 3 | 2 | 1 | 36 |
| Percent of Cells | 55.5% | 28.7% | 8.3% | 5.5% | 2% | 100% |
When you have completed the activity, answer the following questions:
1. What percent of cells were in interphase?
55.5% were in Interphase.
2. What percent were in mitosis?
100% were in mitosis.
3. Which phase of mitosis takes the longest?
Metaphase takes the longest.
4. During which stage is the nucleolus visible as a dark spot?
In Interphase, the nucleolus is visible as a dark spot.
5. How can you recognize a cell in metaphase?
You can recognize a cell in metaphase by the “squiggles”.
2. 45/50% because half is in meiosis
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5. the chromosomes are aligned across the middle of the cell