module4lab1 (1).docx - Mitosis and Meiosis PRE-LAB...

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PRE-LAB QUESTIONS1.Describe at least three similarities and three differences between mitosis and meiosis.
2.What major events occur during interphase?
3.What are chromosomes made of?
4.Cancer is a disease related to uncontrolled cell division. Do a web-search to learn about chemotherapy drugs used to treat cancer. Briefly describe how one of these drugs functions in relation to cell division. Explain your answer. Include references to information sources used.
EXPERIMENT 1: OBSERVATION OF MITOSIS IN A PLANT CELLData TablesTable 1: Stage DrawingsCell StageDrawingMitosis and Meiosis
InterphaseProphaseMetaphaseAnaphaseFor some reason I couldn’t un attached anaphase from telophase, anaphaseis the one on top (not connected to the other)TelophaseCytokinesisPredictions for Part 2:Table 2: Mitosis DataStageNumber of Cells inStageTotal Number ofCellsCalculated % of TimeSpent in StageMitosis and Meiosis
Interphase142073Prophase3203.75Metaphase0200Anaphase1203.75Telophase120.044Cytokinesis1203.75Post-Lab Questions1.What is your conclusion after observing and counting the cells in the onion root tip? Did the results support your hypothesis? What, if anything, surprised you about the results?
2.What stage were most of the onion root tip cells in? What stage as least common among the cells you looked at? Explain how the number of cells in each phase relates to the timeit takes a cell to complete each phase.

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