Topic: Cell cycle, mitosis, meiosis· Cell Structure and Function

Which stage of meiotic prophase shows terminalisation of chiasmata as its distinctive feature ?

1. Leptotene

2. Zygotene

3. Diakinesis

4. Pachytene

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Answer: 3. Diakinesis

Terminalisation of chiasmata (chiasmata slide towards the ends of the bivalents) occurs in diakinesis, the last stage of meiotic prophase I, along with nucleolus disappearance and nuclear envelope breakdown.

Leptotene: chromosome condensation; zygotene: synapsis; pachytene: crossing over.

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Which stage of meiotic prophase shows terminalisation of chiasmata as its distinctive feature ?

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