Define parthenocarpy.

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Parthenocarpy**: Parthenocarpy is defined as the development of fruit without the formation of seeds.

2. **Process Explanation**: This phenomenon occurs in the absence of pollination, fertilization, and embryo development. In other words, the fruit develops without the usual processes that lead to seed formation.

3. **Characteristics of Parthenocarpic Fruits**: The fruits that result from parthenocarpy are always seedless. This means that these fruits do not contain any seeds, which distinguishes them from typical fruits that develop through the normal reproductive processes.

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