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Course: BSC 2010, Spring 2011School: University of Florida
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Word Count: 143
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Mitosis: MitosisandMeiosis HigherBiology MitosisandMeiosis -divisionofsomatic (body)cells Meiosis -divisionofgametes(sexcells) Mitosis Interphase Prophase Metaphase Anaphase Telophase Interphase Interestingthingshappen! 1. Cellpreparingtodivide 2. Geneticmaterialdoubles Prophase Chromosomepair up! 1. Chromosomesthickenandshorten becomevisible 2chromatidsjoinedbyacentromere 1....
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Mitosis: MitosisandMeiosis
HigherBiology
MitosisandMeiosis
-divisionofsomatic (body)cells Meiosis -divisionofgametes(sexcells)
Mitosis
Interphase Prophase Metaphase Anaphase Telophase
Interphase
Interestingthingshappen! 1. Cellpreparingtodivide 2. Geneticmaterialdoubles
Prophase
Chromosomepair up! 1. Chromosomesthickenandshorten becomevisible 2chromatidsjoinedbyacentromere 1. Centriolesmovetotheoppositesidesofthenucleus 2. Nucleolusdisappears 3. Nuclearmembranedisintegrate
Metaphase
Chromosomesmeet the in middle! 1. Chromosomesarrangeatequatorofcell 2. Becomeattachedtospindle fibresby centromeres 3. Homologouschromosomesdo not associate
Anaphase
Chromosomesgetpulledapart 1. Spindlefibrescontractpullingchromatidstothe oppositepolesofthecell
Telophase
Nowtherearetwo! 1. Chromosomesuncoil 2. Spindlefibresdisintegrate 3. Centriolesreplicate 4. Nucleurmembraneforms 5. Celldivides
Meiosis
4daughtercellsproduced Eachdaughtercellhashalfthechromosomesof theparent 2setsofcelldivisioninvolved
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