Final answer:
Monoclonal antibodies, unlike polyclonal antisera, bind to a single epitope with high specificity and affinity, making them valuable in clinical laboratory diagnosis.
Step-by-step explanation:
True
Monoclonal antibodies are used in clinical laboratory diagnosis because they bind to a single epitope with high specificity and affinity.
Unlike polyclonal antisera that bind to various epitopes, monoclonal antibodies provide more specificity by only recognizing one specific antigenic determinant.
This makes them valuable in applications such as diagnostic tests that require high specificity and accuracy.