Meiosis

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8 Terms

1
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5 phases in Prophase I

Leptotene, Zygotene, Pachytene ,Diplotene, Diakinesis

2
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Leptotene

Chromatin begin to condense and become visible

3
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Zygotene

  • Homologous chromosomes pair up in a process called synapsis.

  • The synaptonemal complex holds the chromosomes together

4
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Pachytene

Non sister chromatids in the homologous pairs cross over and exchange genetic material, forming a bivalent.

5
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Whats a bivalent

Fully paired homologous chromosomes

6
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Diplotene

The synaptenemal complex disappears, but the homologous chromosomes remain attached at chaismata

7
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What do the chromatids do at the chiasmata

Cross over

8
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Diakinesis

Homologous chromosomes separate