Mitosis Lab
Steven Chau
Jason Ly
Thompson Wu
I.
Title
: Observing Mitosis – Onion Root Tip and Whitefish Blastula
V.
Observations:
175 cells 1. What percentage of the cells in the field of view is going through mitosis? 10% Relative Duration of Each Phase of Mitosis – Onion Root Tip
Phase of Mitosis
Count
Percentage
Time (min.)
Prophase
3
14%
11
Metaphase
2
9%
7
Anaphase
5
23%
19
Telophase
12
54%
43
Total
22
100%
80
Relative Duration of Each Phase of Mitosis – Whitefish Blastula
Phase of Mitosis
Count
Percentage
Time (min.)
Prophase
14
74%
1066
Metaphase
3
16%
230
Anaphase
0
0%
0
Telophase
2
10%
144
19
100%
1440
Total
VI.
Percentage
Percentage = number in phase x 100 total #
Onion Root Tip
Duration of phase (in min.) = percentage x 80 min. 100
Whitefish Blastula
Duration of phase (in min.) = percentage x 1440 min. 100
Conclusion:
According to the data table, Prophase took the most amount of time in the
Whitefish Blastula, but in the Onion Root tip, prophase took the most amount time. In the Onion Root tip, the cell spends about 43 minutes in Telophase, while in the Whitefish Blastula the cells takes approximately 1066 minutes in Prophase.
According to the data table, Anaphase took the least amount of time in the
Whitefish Blastula, but in the Onion Root tip, metaphase took the least amount of time. In the Onion Root tip, the cells spends around 7 minutes in Metaphase, meanwhile in the Whitefish Blastula the cell takes 0 minutes in Anaphase because there were no cells going through Anaphase within the Whitefish
Blastula at that moment.
Smaller samples might not work with the assumption because the sample would not have enough data or cells for an accurate percentage of cells in that phase at that moment. Since one cell could drastically change the
Jason Ly
Thompson Wu
I.
Title
: Observing Mitosis – Onion Root Tip and Whitefish Blastula
V.
Observations:
175 cells 1. What percentage of the cells in the field of view is going through mitosis? 10% Relative Duration of Each Phase of Mitosis – Onion Root Tip
Phase of Mitosis
Count
Percentage
Time (min.)
Prophase
3
14%
11
Metaphase
2
9%
7
Anaphase
5
23%
19
Telophase
12
54%
43
Total
22
100%
80
Relative Duration of Each Phase of Mitosis – Whitefish Blastula
Phase of Mitosis
Count
Percentage
Time (min.)
Prophase
14
74%
1066
Metaphase
3
16%
230
Anaphase
0
0%
0
Telophase
2
10%
144
19
100%
1440
Total
VI.
Percentage
Percentage = number in phase x 100 total #
Onion Root Tip
Duration of phase (in min.) = percentage x 80 min. 100
Whitefish Blastula
Duration of phase (in min.) = percentage x 1440 min. 100
Conclusion:
According to the data table, Prophase took the most amount of time in the
Whitefish Blastula, but in the Onion Root tip, prophase took the most amount time. In the Onion Root tip, the cell spends about 43 minutes in Telophase, while in the Whitefish Blastula the cells takes approximately 1066 minutes in Prophase.
According to the data table, Anaphase took the least amount of time in the
Whitefish Blastula, but in the Onion Root tip, metaphase took the least amount of time. In the Onion Root tip, the cells spends around 7 minutes in Metaphase, meanwhile in the Whitefish Blastula the cell takes 0 minutes in Anaphase because there were no cells going through Anaphase within the Whitefish
Blastula at that moment.
Smaller samples might not work with the assumption because the sample would not have enough data or cells for an accurate percentage of cells in that phase at that moment. Since one cell could drastically change the