Majority of transgenic animals are :

Options

A. Mice
B. Rabbit
C. Pigs
D. Cows

Answer

To solve the question regarding the majority of transgenic animals, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Transgenic Animals**:
- Transgenic animals are those whose DNA has been altered to include a foreign gene. This manipulation allows them to express new traits or characteristics.

2. **Identifying Common Types of Transgenic Animals**:
- Various species can be made transgenic, including mice, rats, pigs, sheep, cows, and fish.

3. **Analyzing the Data**:
- It is noted that a significant majority of transgenic animals used in research are mice. Specifically, about 95% of transgenic animals are mice.

4. **Evaluating the Options**:
- Given the options in the question, we need to identify which animal is most commonly used as a transgenic model.

5. **Selecting the Correct Answer**:
- Since 95% of transgenic animals are mice, the correct answer to the question is option number 1, which is "mice".

### Final Answer:
- The majority of transgenic animals are **mice**.

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