Expand ORI.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Acronym**: The acronym "ORI" stands for a specific term used in genetics and molecular biology.

2. **Identifying the Term**: ORI refers to the starting point for the replication of DNA within a cell.

3. **Expanding the Acronym**: The full form of ORI is "Origin of Replication".

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