Which of the following options gives the correct sequence of events during mitosis?

1. A
   Condensation $\to$ nuclear membrane disassembly $\to$ arrangement at equator $\to$ centromere division $\to$ segregation $\to$ telophase
2. B
   Condensation $\to$ crossing over $\to$ nuclear membrane disassembly $\to$ segregation $\to$ telophase
3. C
   Condensation $\to$ arrangement at equator $\to$ centromere division $\to$ segregation $\to$ telophase
4. D
   Condensation $\to$ nuclear membrane disassembly $\to$ crossing over $\to$ segregation $\to$ telophase