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Identify the vector that can clone only a small fragment of DNA. (A) Cosmid (B) Yeast artificial chromosome (C) Plasmid (D) Bacterial artificial chromosome

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Question

Identify the vector that can clone only a small fragment of DNA.

Options

  • Cosmid

  • Yeast artificial chromosome

  • Plasmid

  • Bacterial artificial chromosome

MCQ
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Solution

Plasmid

Explanation:

Only a little segment of DNA can be cloned by a plasmid (0.5-8 kb). Others can clone huge DNA pieces, such as Cosmid (30-45 kb), BAC (50-300 kb), and YAC (1000 - 2500 kb)
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