Onion root tip mitosis

Onion root tip mitosis - Joshua Sipe Biology104 SectionM01...

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Joshua Sipe Biology104 SectionM01 May 1, 2008 Title : Mitosis in an Onion Root Tip Abstract: The objective of this experiment was to view an onion root tip through a low power objective (10xs) and a high power objective (40xs) in order to view onion chromosomes in different stages of mitosis. A slide was prepared with a stain that allowed viewing of mitosis. The slide was viewed under 40x magnification and the onion cells were counted in each phase of mitosis. The results of the lab showed that mitosis in an onion cell were in prophase for 7.6 minutes, metaphase for 1.5 minutes, anaphase for 1.5 minutes, telophase for 2.9 minutes and interphase 46.4 minutes. The whole process of mitosis in an onion cell takes approximately an hour. Procedure : The basis for this experimental procedure is outlined in Lab Manual Biol104 (Morris,TC3,2008) pgs. 79-80. No changes were made to procedure. Data: Figure.1 Onion Root Tip Figure.2 Percent of Each Phase of Mitotic Division of Onion Root Tip Interphase was the longest process in mitotic division and encompassed 78% of the mitotic division. Prophase followed interphase encompassing 13% of mitotic division. Telophase encompassed 5% of
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Onion root tip mitosis - Joshua Sipe Biology104 SectionM01...

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