Division of centromere is absent in

Options

A. Telophase
B. Anaphase-I
C. Anaphase-II
D. All of these

Answer

To solve the question "Division of centromere is absent in," we will analyze each option provided in the context of cell division phases.

### Step-by-Step Solution:

1. **Understanding Centromere Division**:
- The centromere is the region of a chromosome where the two sister chromatids are joined together. The division of the centromere is crucial during cell division as it allows the sister chromatids to separate and move to opposite poles of the cell.

2. **Analyzing the Phases of Mitosis and Meiosis**:
- **Telophase**: This is the final stage of mitosis where the chromosomes have already separated, and the nuclear envelope is reformed. By this stage, the centromeres have already divided, so this option is incorrect.
- **Anaphase I**: In this phase of meiosis, homologous chromosomes are separated, but the sister chromatids remain attached at their centromeres. Therefore, the division of the centromere does not occur in Anaphase I, making this option correct.
- **Anaphase II**: This phase occurs in meiosis II, where the sister chromatids are separated, and the centromeres do divide. Hence, this option is incorrect.
- **All of these**: This option implies that the division of centromere is absent in all the mentioned phases, which is incorrect since it is present in Telophase and Anaphase II.

3. **Conclusion**:
- The only phase where the division of the centromere is absent is **Anaphase I**.

### Final Answer:
The division of centromere is absent in **Anaphase I**.