Comprehension Passage
Advancements in biotechnology have led to the production of genetically modified organisms or GMOs. Such GMOs have found their applications in various fields.
How does a GMO help in toxicity testing?
1
Transgenic animals can be produced that are sensitive to the toxin
2
The effect of the toxin can be observed and compared to that of a non-transgenic organism
3
Both 1 and 2
4
None of the above