Name________________
Onion root tip Mini Lab
1. Log on to Ms Hubbard's Wiki space
2. Click on the link to the cellular reproduction
3. Click on Mitosis
4. View the mitosis animation if you would like to hear the sound use your headphones
5 click on the onion root tip lab
6. Read the introduction paragraph and answer the pre lab questions
a. What process controls cell growth?
b. Why are root tips used for studying cell division?
c. If you were doing this lab using a microscope how would you prepare a root tip
slide?
7. Click next
Take one more look at the stages of mitosis because you will need to remember them to
complete the online lab.
8. Click next Read the introduction paragraph and write a Purpose and a Hypothesis.
Purpose (one or two sentences)
Hypothesis
If cells spend most of their time in ___________________stage of mitosis
then______________________________________________________________
10. Check your answers with Ms Ingwersen before you click Next
11. Click next to start the lab. Identify each phase of mitosis, wait until the end to fill
out the table.
Interphase
Prophase
Metaphase
Anaphase
Telophase
Total
Number
of cells
36
Percent
of cells
100%
12. Answer the post lab questions
Was your hypothesis correct?
If not in which phase of the cell cycle do cells spend most of their time?
When you finish this lab go back to the Meiosis and Mitosis Wiki page and click on
cell cycle, play the cell cycle game