AP Lab 3 Mitosis and Meiosis. Review: Mitosis and the cell cycle Phases G1, S, G2 Parts of...
Transcript of AP Lab 3 Mitosis and Meiosis. Review: Mitosis and the cell cycle Phases G1, S, G2 Parts of...
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AP Lab 3 Mitosis and Meiosis
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Review:Mitosis and the cell cycle
PhasesG1, S, G2
Parts of microscope and troubleshooting!
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Lab Tips!Complete 3A on your own.For 3A2, work in partnerships.
One person calls out phases, the other records in Table 3.1COUNT A MINIMUM OF 200 CELLS!
Onion Root Tips: look at the apical meristem!
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http://www.lima.ohio-state.edu/biology/images/roottip.jpg
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http://www.lima.ohio-state.edu/biology/images/apical_meristem.jpg
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Quick Review:
What is the goal of meiosis?What are the phases and actions in the phases?What is crossing
over?What is the resultof crossing over?
http://www.ekcsk12.org/science/aplabreview/mitosismeiosislab.html
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Fig. 10.11, p. 172
2n
n
2n
germ cell germ cell
each chromosome duplicating during
interphase
MEIOSIS Iseparation of homologues
MEIOSIS IIseparation of
sister chromatids
diploid number restored at fertilization
zygote
gametes gametes
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Sordaria ascospores
Sordaria ascospore images from http://www.ac-orleans-tours.fr/svt/theme4/sordaria/pcdefault.htm
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Debrief:Any questions on main concepts?
MitosisMeiosisGametogenesis
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Mitosis Findings:Which phase dominated?Any questions on analysis questions?
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Meiosis Findings:
Any questions on analysis questions?