Give an example of a polygenic trait in humans.

Explanation

### Step-by-Step Solution:

1. **Understanding Polygenic Traits**:
- The term "polygenic" is derived from two parts: "poly," meaning many, and "genic," referring to genes. Therefore, a polygenic trait is one that is influenced by multiple genes.

2. **Definition of Polygenic Trait**:
- A polygenic trait is a characteristic that is controlled by more than one gene. Unlike single-gene traits, which are determined by one gene, polygenic traits result from the additive effects of multiple genes.

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