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Dear student,

1. In the given figure, the phase of prophase 1 is pachytene.

The Events occurring during this phase-
The bivalent chromosomes and recombination nodules can be well visualized through the microscope at this phase. During this phase, the crossing over takes place between non-sister chromatids of the homologous chromosomes at the recombination nodules. The process of the exchange of genetic material between the two homologous chromosomes is called crossing over.

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