Height in humans is

Options

A. Somatogenic variation
B. Discontinuous variation
C. Continuous variation
D. Both B and C

Answer

### Step-by-Step Solution:

1. **Understanding Variations**:
- Variations refer to the differences that exist among individuals in a population. These differences can be classified into two main types: continuous and discontinuous variations.

2. **Identifying Types of Variation**:
- **Discontinuous Variation**: This type of variation categorizes individuals into distinct classes or categories. For example, blood groups (A, B, AB, O) are a classic example of discontinuous variation, as each individual falls into one specific category.
- **Continuous Variation**: In contrast, continuous variation allows for a complete range of measurements. This type of variation is typically influenced by multiple genes (polygenic inheritance) and environmental factors. Height in humans is a prime example of continuous variation, as it can range from very short to very tall without distinct categories.

3. **Exclusion of Somatogenic Variation**:
- Somatogenic variation refers to non-inheritable variations caused by environmental factors (e.g., temperature, light). Since height is a trait that can be inherited genetically, somatogenic variation is not applicable in this context.

4. **Conclusion**:
- Based on the definitions and examples discussed, height in humans is classified as a **continuous variation**. Thus, the correct answer to the question is that height in humans is an example of continuous variation.

### Final Answer:
Height in humans is an example of **continuous variation**.

---