A stage in mitosis that starts towards the middle of anaphase and is completed with the telophase is Or Division of cytoplasm after completion of nuclear division is called

Options

A. Crossing over
B. Karyokinesis
C. Cytokinesis
D. Interkinesis

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the stage in mitosis that begins in the middle of anaphase and concludes with telophase. It also refers to the division of the cytoplasm after nuclear division.

2. **Identifying Key Terms**:
- Mitosis: A process of cell division that results in two identical daughter cells.
- Anaphase: The stage in mitosis where sister chromatids are pulled apart to opposite poles of the cell.
- Telophase: The final stage of mitosis where the chromosomes de-condense and the nuclear envelope re-forms.
- Cytokinesis: The process that follows mitosis, resulting in the division of the cytoplasm.

3. **Analyzing the Options**:
- **Crossing Over**: This occurs during prophase I of meiosis, not mitosis.
- **Karyokinesis**: This refers specifically to the division of the nucleus, which occurs during mitosis but does not include cytoplasmic division.
- **Cytokinesis**: This is the process that divides the cytoplasm after the completion of mitosis (nuclear division).
- **Interkinesis**: A resting phase between meiosis I and II, not relevant to mitosis.

4. **Conclusion**: The correct answer is **cytokinesis**, as it is the stage that starts towards the middle of anaphase and is completed with telophase, resulting in the division of the cytoplasm after the nuclear division.

**Final Answer**: Cytokinesis

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