Multiple choice

Which of the following vectors is used for preparing genomic libraries of eukaryotes?

  1. pUC7

  2. pSC101

  3. EMBL3

  4. Cosmid vectors

  5. Yeast vectors
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C Correct answer
Explanation

It is used in case of many lambda vectors, called replacement vectors, insertion of DNA  fragment accompanied with the deletion of  all or a  part of the nonessential segment specifying lysogeny. The vector and the DNA insert sizes are carefully adjusted for an effective selection. Lambda vectors EMBL3 and EMBL4 are used for preparing genomic libraries of eukaryotes.

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