18. Molecular Genetic Tools
Genetic Cloning
2:47 minutes
Problem 20a
Textbook Question
Textbook QuestionYou have identified a 0.80-kb cDNA clone that contains the entire coding sequence of the Arabidopsis gene CRABS CLAW. In the construction of the cDNA library, linkers with EcoRI sites were added to each end of the cDNA, and the cDNA was inserted into the EcoRI site of the MCS of the vector shown in the accompanying figure. You perform digests on the CRABS CLAW cDNA clone with restriction enzymes and obtain the following results. Can you determine the orientation of the cDNA clone with respect to the restriction enzyme sites in the vector? The restriction enzyme sites listed in the dark blue region are found only in the MCS of the vector.
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