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Dissolution of the synaptonemal complex occurs during

1. Zygotene
2. Diplotene
3. Leptotene
4. Pachytene

Correct answer: Diplotene

Solution

Diplotene is the stage of prophase I when the synaptonemal complex disassembles and homologous chromosomes start to separate, while remaining connected at chiasmata. Zygotene is when synapsis begins, and pachytene is when synapsis is complete and crossing over occurs.

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