The five sub-stages of prophase I of meiosis are:
AOnly Pachytene
BLeptotene → Zygotene → Pachytene → Diplotene → Diakinesis
CThree substages
DRandom order
Answer & Solution
Correct answer: B. Leptotene → Zygotene → Pachytene → Diplotene → Diakinesis
**Prophase I substages (LZPDD):** Leptotene (chromosomes condense).
Zygotene (synapsis begins).
Pachytene (crossing over).
Diplotene (synaptonemal complex dissolves.
chiasmata visible).
Diakinesis (chromosomes maximally condensed.
nuclear envelope breaks).
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