Mitosis / Meiosis Flashcards

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1
Q

S phase

A

Prior to Mitosis/Meiosis

DNA replicates

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2
Q

Prophase

A
  • Chromatin condenses into chromosomes
  • Centrioles form and spindle fibers form
  • Nuclear envelope breaks down
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3
Q

Metaphase

A
  • Chromosomes line up on metaphase plate
  • Centrioles are attached to spindle fibers
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4
Q

Anaphase

A
  • Centrioles split
  • Sister chromatides are pulled apart
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5
Q

Telophase

A
  • Cell membrane pinches in half
  • Nuclear envelopes reform
  • 2 indentical daughters produces
    • If diploid cell undergoes mitosis –> 2 dipoloid (2n) cells are produced
    • If haploid cell undergoes mitosis –> 2 haploid (n) cells are produced
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6
Q

Prophase I

A
  • Chromatin condenses into chromosomes
  • Centrioles form and spindle fibers form
  • Nuclear envelope breaks down
  • *Chiasmata forms tetrads and crossing over
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7
Q

Metaphase I

A
  • Chromosomes pairs line up on metaphase plate
  • Centrioles are attached to spindle fibers
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8
Q

Anaphase I

A
  • *Homologous pairs are pulled apart
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9
Q

Telophase (Meiosis)

A
  • Cell membrane pinches in half
  • Nuclear envelopes reform
  • 2 haploid daughter produced
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