Genes encoding resistance to antibiotics help in identifying and eliminating non-transformants and selectively permitting growth of transformants. These antibiotic resistance genes in vectors are considered as

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origin of replication

recognition site

selectable markers

cloning site

answer is B.

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Detailed Solution

Selectable marker is a sequence, which helps in identifying and eliminating non-transformants and selectively permitting the growth of the transformants.

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