Stages of Prophase 1 of Meiosis

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5 Terms

1
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#1 Leptotene

means "thin thread", when each chromosome is in an extended, thread-like condition prior to synapsis.

<p>means "thin thread", when each chromosome is in an extended, thread-like condition prior to synapsis.</p>
2
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#2 zygotene

"paired threads", pairing of homologs begins

<p>"paired threads", pairing of homologs begins</p>
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#3 Pachytene

"thick thread", begins when pairing of homologs is complete and the homologous chromosome still appear to be single

<p>"thick thread", begins when pairing of homologs is complete and the homologous chromosome still appear to be single</p>
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#4 Diplotene

"double thread", each homologous chromosome consists of two sister chromatids and chiasmata are present

<p>"double thread", each homologous chromosome consists of two sister chromatids and chiasmata are present</p>
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#5 Diakinesis

"moving apart", synapsed homologous chromosome repel one another, being held together by the chiasmata

<p>"moving apart", synapsed homologous chromosome repel one another, being held together by the chiasmata</p>