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| Q. |
Crossing-over occurs during |
| A. | Leptotene |
| B. | Zygotene |
| C. | Path ene |
| D. | Diplotene |
| Answer» C. Path ene | |
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Explanation: Chromosomal crossover (or crossing over) is the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes. It is one of the final phases of genetic recombination, which occurs during prophase I of meiosis (pachytene) during a process called synapsis. |
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