Which stage represent transition to metaphase in meiosis-I?

Answer

To determine which stage represents the transition to metaphase in meiosis-I, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Meiosis-I**: Meiosis-I consists of several stages, including prophase-I, metaphase-I, anaphase-I, and telophase-I. Each of these stages has specific characteristics and changes in the cell.

2. **Identifying the Transition to Metaphase**: The transition to metaphase involves significant changes in the cell, particularly in the nucleus. These changes include the breakdown of the nuclear envelope and the appearance of the chromosomes.

3. **Focusing on Prophase-I**: Prophase-I is divided into several substages: leptotene, zygotene, pachytene, diplotene, and diakinesis. Each substage has distinct events that prepare the cell for metaphase.

4. **Recognizing Diakinesis**: Diakinesis is the final substage of prophase-I. It is characterized by the condensation of chromosomes, the breakdown of the nuclear envelope, and the preparation of the spindle apparatus. These changes are crucial as they lead directly into metaphase-I.

5. **Conclusion**: Therefore, the stage that represents the transition to metaphase in meiosis-I is **diakinesis**.

### Final Answer:
The stage that represents the transition to metaphase in meiosis-I is **diakinesis**.

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