NEETBotanyCell Cycle and Cell Division
Stages of Prophase I Events A. Leptotene 1. Chromosomes begin to condense B. Zygotene 2. Synapsis begins, homologous chromosomes pair up C. Pachytene 3. Crossing over occurs D. Diplotene 4. Chiasmata become visible as homologous chromosomes begin to separate
Options
- AA-2; B-1; C-3; D-4
- BA-3; B-2; C-1; D-4
- CA-1; B-2; C-4; D-3
- DA-1; B-2; C-3; D-4
Correct answer
D. A-1; B-2; C-3; D-4
Step-by-step solution
Leptotene: Chromosomes begin to condense. Zygotene: Synapsis begins, homologous chromosomes pair up. Pachytene: Crossing over occurs. Diplotene: Chiasmata become visible as homologous chromosomes begin to separate.