Question
With reference to recent developments regarding ‘Recombinant Vector Vaccines’, consider the following statements:
1. Genetic engineering is applied in the development of these vaccines.
2. Bacteria and viruses are used as vectors.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Answer:
C
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Explanation:
Recombinant vector vaccines involve the use of genetic engineering techniques in their development. This means that statement 1, which states that genetic engineering is applied in the development of these vaccines, is correct.
In the case of recombinant vector vaccines, bacteria or viruses are used as vectors to deliver specific genes or antigens into the body. These vectors act as carriers to deliver the desired genetic material into cells, triggering an immune response. Therefore, statement 2, which states that bacteria and viruses are used as vectors in recombinant vector vaccines, is also correct.
Hence, both statements 1 and 2 are correct.