Multiple choice

Chiasmata is seen at ____ stage.

  1. diplotene

  2. zygotene

  3. leptotene

  4. pachytene

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A Correct answer
Explanation

Chiasmata are the X-shaped structures where homologous chromosomes remain attached during meiosis, and they first become visible during the diplotene stage of prophase I. Earlier stages like zygotene and pachytene involve pairing and crossing over respectively.