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What is crossing over?

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### Step-by-Step Text Solution: 1. **Definition of Crossing Over**: Crossing over is a genetic process that occurs during meiosis, specifically in prophase I, where homologous chromosomes exchange segments of their genetic material. 2. **Location in Meiosis**: This event takes place during the prophase I stage of meiosis, which is divided into several phases: leptotene, zygotene, pachytene, diplotene, and diakinesis. ...
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