Sometimes DNA Probes Are Used to Prove That a Gene

question 52

Multiple Choice

Sometimes DNA probes are used to prove that a gene has been incorporated into a eukaryotic genome. The following are all steps used in such a procedure, except :

• A) Digestion of the cellular DNA to break it into manageable sizes.
• B) Separation of the fragments by gel electrophoresis.
• C) Hybridization of a nucleic acid strand complementary to the gene of interest.
• D) Elution of the hybridized DNA from the gel for analysis.
• E) All of these steps are necessary in probing for the presence of a gene.

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