_______ in ferns form gametophytic generatio n.

Explanation

**Step-by-Step Solution:**

1. **Understanding Gametophytes:**
- Gametophytes are the stage in the life cycle of plants that produce gametes (sperm and eggs). They are crucial for sexual reproduction in plants.

2. **Identifying the Gametophyte in Ferns:**
- In ferns, the gametophyte is a small structure that plays a significant role in the reproductive cycle.

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