ANSWER: C. Complementary base pairing occurs only between the probe and the target gene.
Answer:
The epidemic caused us to quarantine if we got infected to protect those around us.
Explanation:
This might have been the cause of not being exposed to this specific pollen during his years in Chicago. Allergic reactions can develop when the stimuli presented even when its not contagious causes the immune system to trigger and act in a defensive stance. This delayed effect may have been the cause of the sudden expression of the immune system.
