Question

Assume that a cosmid will carry inserts of about 50 kb and that cosmids are used to clone a 3 Mb (megabase: 1 Mb = 1,000 Kb) genome. Assuming you are particularly lucky and have no duplication in your library, what is the smallest number of cosmid clones you would need for a complete genomic library? 1 3000 clones 2) 600 clones 3) 300 clones 4 30 clones ⓢ 60 clones

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One cosmid can carry 50 Kb insert . To size of genome to be cloned is 3000 Kb then , 60 clones need to made to complete the library.

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