In this activity, you will be presented with cells from the tipof an onion root. You will classify each cell based on what phaseit is in. At the end you will count up the cells found in eachphase and use those numbers to predict how much time a dividingcell spends in each phase. You can base your calculation on a totalcell cycle of 24 hours.
Scroll down this link and count all of the cells in eachcategory, and enter your findings in the top row of your table.
Then, calculate the percentage of cells in each phase, and enterthose values on the bottom row of the table.
Interphase
Prophase
Metaphase
Anaphase
Telophase
Total
Number of cells
20
10
3
2
1
36
Percent of the cells
55.56%
27.78%
8.33%
5.56%
2.77%
100%
Answer the following questions.
In this activity, you will be presented with cells from the tip of an onion root. You will classify each cell based on w
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