Which of the Following Best Describes Clonal Expansion in Adaptive

question 15

Multiple Choice

Which of the following best describes clonal expansion in adaptive immune responses?

• A)Increased number of different lymphocyte clones,each clone specific for a different antigen during the course of an infection
• B)Increased number of different lymphocyte clones,each clone specific for a different antigen during development of the immune system,before exposure to antigen
• C)Increased number of lymphocytes with identical specificities,all derived from a single lymphocyte due to nonspecific stimuli from the innate immune system
• D)Increased number of lymphocytes with identical specificities,all derived from a single lymphocyte stimulated by a single antigen
• E)Increased size of the lymphocytes of a single clone due to antigen-induced activation of the cells

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