Why does selection only help to isolate the good genes but fail to make the gene better?

Explanation

**Step-by-Step Solution:**

1. **Understanding Selection in Plant Breeding:**
- Selection is a technique used in plant breeding to isolate and propagate plants with desirable traits. This process involves choosing specific plants that exhibit favorable characteristics, such as size, color, or shape.

2. **Isolation of Good Genes:**
- During selection, breeders focus on identifying and isolating genes that contribute to desirable traits. For example, if a flower's color is bright and appealing, breeders will select plants that express this trait.

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