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Select the correctly matched pair.

Options

  1. ACosmid - Cannot be used in human genome project
  2. BBAC -300-350 ~kb of foreign DNA
  3. CYAC - Can clone fragments upto 45 ~kb in length only
  4. DPhagemid - An RNA based cloning vector carrying an origin of replication derived from adenovirus.

Correct answer

B. BAC -300-350 ~kb of foreign DNA

Step-by-step solution

Bacterial artificial chromosome (BAC) vectors are based on natural, extra-chromosomal plasmid of E.coli. These vectors can accommodate upto 300-350 ~kb of foreign DNA and are also being used in genome sequencing project.

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