1. condensation → nuclear membrane disassembly → arrangement at equator → centromere division → segregation → telophase 2. condensation → crossing over → nuclear membrane disassembly → segregation → telophase 3. condensation → arrangement at equator → centromere division → segregation → telophase 4. condensation → nuclear membrane disassembly → crossing over → segregation → telophase

Topic: Cell cycle, mitosis, meiosis· Cell Structure and Function

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

1. condensation \(\rightarrow\) nuclear membrane disassembly \(\rightarrow\) arrangement at equator \(\rightarrow\) centromere division \(\rightarrow\) segregation \(\rightarrow\) telophase

2. condensation \(\rightarrow\) crossing over \(\rightarrow\) nuclear membrane disassembly \(\rightarrow\) segregation \(\rightarrow\) telophase

3. condensation \(\rightarrow\) arrangement at equator \(\rightarrow\) centromere division \(\rightarrow\) segregation \(\rightarrow\) telophase

4. condensation \(\rightarrow\) nuclear membrane disassembly \(\rightarrow\) crossing over \(\rightarrow\) segregation \(\rightarrow\) telophase

Doubtly Asked 30 Oct 2026 NEET UG 2017 Practice test neet Save WhatsApp Report

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Answer: 1. condensation \(\rightarrow\) nuclear membrane disassembly \(\rightarrow\) arrangement at equator \(\rightarrow\) centromere division \(\rightarrow\) segregation \(\rightarrow\) telophase

The correct order of mitosis: chromosome condensation (prophase), nuclear membrane breakdown, alignment at the equator (metaphase), centromere division (start of anaphase), segregation of chromatids, and telophase.

Option 1 follows this. Options 2 and 4 include crossing over, which occurs only in meiosis I. Option 3 skips nuclear membrane disassembly.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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

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