Question:

Which one of the following transgenic animals is being used to test the safety of the polio vaccine?

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Transgenic mice are preferred for vaccine testing due to their genetic manipulability and physiological similarity in immune response.
  • Sheep
  • Goat
  • Pig
  • Mice
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The Correct Option is D

Solution and Explanation

Transgenic animals are those that have had a foreign gene deliberately inserted into their genome.
Transgenic mice are widely used for testing the safety of vaccines, including the polio vaccine.
These mice help assess the toxicity and immunogenicity of a vaccine before it's used in humans.
Other animals like sheep and goats may be used for producing recombinant proteins, but not for vaccine safety testing.
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