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Byju's Answer
Standard X
Biology
Vaccines and Interferons
Assertion :Se...
Question

Assertion :Second generation vaccines are safer to use. Reason: They are produced by genetic engineering.

A
Both the Assertion and the Reason are true and the Reason is the correct explanation of the Assertion.
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B
Both the Assertion and the Reason are true but the Reason is not the correct explanation of the Assertion.
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C
The Assertion is true but the Reason is false.
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D
Both Assertion and Reason are false.
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Solution

The correct option is B Both the Assertion and the Reason are true but the Reason is not the correct explanation of the Assertion.
Second generation vaccines are produced by genetic engineering or recombinant DNA technology. These vaccines consist of a few antigens present on the surface of the infecting agents rather than the whole inactivated organisms. The surface antigens are produced in huge quantities with the help of recombinant DNA technique. Then they are injected in safer dose to healthy individuals for development of immunity. Second generation vaccines are simple, safer and more potent.
Hence assertion is correct and reason is also correct but reason is the not the correct explanation for assertion.
So, the correct answer is 'Both the Assertion and the Reason are true but the Reason is not the correct explanation of the Assertion'.

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