Predict What Would Occur in the Experiment Shown in Figure

question 19

Multiple Choice

Predict what would occur in the experiment shown in Figure 18.1 if Tonegawa and colleagues had mistakenly inserted the antibody gene enhancer in reverse orientation (backward) into the β-globin gene.

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

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Definitions:

Immune Response

The body's defense mechanism against pathogens, involving the recognition and destruction of harmful substances by the immune system.

Body's Defensive Reaction

The physiological responses activated by the immune system to protect the body against harmful agents, including pathogens and injuries.

Bacteria

Microscopic, single-celled organisms that exist in almost every environment on Earth and play critical roles in various biological processes.

Implicit Social Support

The perceived availability of support without explicitly seeking it, derived from one's social network, enhancing coping and stress management.