Final answer:
The process of antigen-induced lymphocyte proliferation is called clonal expansion.
Step-by-step explanation:
The process of antigen-induced lymphocyte proliferation is called clonal expansion.
During clonal expansion, only the clones of lymphocytes whose receptors are activated by the antigen are stimulated to proliferate.
This results in the production of large numbers of specific lymphocytes that are available to fight the infection.