Answer :
Final answer:
IgG is the main antibody class expected to be present in the highest concentration in the serum of a term infant.
Explanation:
IgG would be expected to be present in the highest concentration in the serum of a term infant. IgG is the main immunoglobulin responsible for fighting against diseases and is found in the highest concentration in the blood.
Learn more about Immunoglobulins here:
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