Which of the following are example of artificial selection ?

Options

A. Kohlrabie
B. Cabbage
C. Cauliflower
D. All of these

Answer

To determine which options are examples of artificial selection, let's break down the concept and analyze the provided options step by step.

### Step-by-Step Solution:

1. **Understand Artificial Selection**:
- Artificial selection, also known as selective breeding, is the process by which humans breed plants and animals for particular genetic traits. This involves selecting individuals with desirable traits to reproduce, thereby influencing the traits of future generations.

2. **Identify the Options**:
- The question mentions several options, including kohlrabi, cabbage, and cauliflower. We need to evaluate if these are products of artificial selection.

3. **Analyze the Examples**:
- **Kohlrabi**: This is a cultivated variety of the wild mustard plant, specifically bred for its edible stem. It is a result of artificial selection.
- **Cabbage**: This is also derived from the wild mustard plant and has been selectively bred for its leafy structure. It is an example of artificial selection.
- **Cauliflower**: Like kohlrabi and cabbage, cauliflower is another cultivated variety of the wild mustard plant, selected for its flower buds. It is also a product of artificial selection.

4. **Conclusion**:
- All the mentioned plants (kohlrabi, cabbage, and cauliflower) are examples of artificial selection as they have been selectively bred from the wild mustard plant.

### Final Answer:
All of the options provided (kohlrabi, cabbage, and cauliflower) are examples of artificial selection.

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