Biology · Biotechnology
Select the correct statements regarding transgenic animals: 1. They can be used for studying human diseases. 2. They are produced by introducing foreign genes. 3. They are always sterile. 4. They help in testing toxicity of drugs.
- 1All of the above
- 21 and 3
- 32 and 3
- 41, 2 and 4✓
Correct answer
1, 2 and 4
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