Which of the given statements is correct in the context of observing DNA separated by agarose gel electrophoresis ?

Options

A. DNA can be seen in visible light.
B. DNA can be seen without staining in visible light.
C. Ethidium bromide stained DNA can be seen in visible light.
D. Ethidium bromide stained DNA can b e seen under exposure to UV light.

Explanation

To determine which statement is correct regarding the observation of DNA separated by agarose gel electrophoresis, we can analyze the provided options step by step:

### Step-by-Step Solution:

1. **Understanding Agarose Gel Electrophoresis**:
- Agarose gel electrophoresis is a technique used to separate DNA fragments based on their size. When an electric current is applied, DNA fragments migrate through the gel, with smaller fragments moving faster than larger ones.

2. **Observation of DNA**:
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