Figure 19.1 -Predict What Would Occur in the Experiment Shown in Figure

question 2

Multiple Choice

Figure 19.1
-Predict what would occur in the experiment shown in Figure 19.1 if Tonegawa and colleagues had mistakenly inserted the antibody gene enhancer in reverse orientation backward) into the fi- globin gene.

• A) There would be transcription of the fi- globin gene, but on the opposite strand of DNA from the one normally transcribed.
• B) There would be minute levels of fi- globin gene expression in the antibody- producing cells.
• C) There would be little difference in the results of this experiment and the one shown in the figure.
• D) There would be no fi- globin gene expression in the antibody- producing cells.

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