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Meiosis

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Meiosis How Sex Cells Form Parent Cell Cell Membrane Cytoplasm Nucleus DNA Chromosome Before Meiosis Begins: The Cell Replicates its DNA Step 1: The Chromosomes ... – PowerPoint PPT presentation

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Title: Meiosis


1
Meiosis
  • How Sex Cells Form

2
DNA Chromosome
Nucleus
Cell Membrane
Cytoplasm
Parent Cell
3
Before Meiosis Begins The Cell Replicates its
DNA
4
Step 1 The Chromosomes Condense
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Chromatids
Each Chromosome is made up of two Chromatids
6
Chromatids
Step 1 Homologous Chromosomes Pair and Line up
Along the Cells Equator
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Step 2 Homologous Chromosomes Separate and are
Pulled to Opposite Sides of the Cell
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Step 3 The Cell Divides
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Each Cell Contains One Member of Each Chromosome
Pair
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Step 4 The Chromosome Line Up at Each Cells
Equator
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Step 5 The Chromatids Pull Apart and Move to
Opposite Sides of the Cell
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Step 6 The Cells Divide as Before
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Each Daughter Cell (Gamete) Has Half the Number
of Chromosomes Present in the Parent Cell
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