NEET Biology question

In genetic engineering, the antibiotics are used: [AIPMT 2012]

(A)As selectable markersCorrect
(B)To select healthy vectors
(C)As sequences from where replication starts
(D)To keep the culture free of infection

Answer: (A)

Solution

Antibiotics are not used to pick out "healthy" vectors in general, they are not the origin-of-replication sequence, and keeping cultures free of contaminating infection is not their specific

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Question ID VK-125198