The stage during which separation of the paired homologous chromosomes begins is

1. Pachytene

2. Diakinesis

3. Diplotene

4. Zygotene

Doubtly Asked 30 Oct 2026 NEET UG 2018 Practice test neet Save WhatsApp Report

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Answer: 3. Diplotene

In prophase I, homologous chromosomes start to separate at diplotene, held together at chiasmata.

Zygotene is pairing (synapsis), pachytene is crossing over, and diakinesis is terminalisation of chiasmata with nuclear envelope breakdown.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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