Labels:text | screenshot | black | black and white | font | document OCR: antigen is reactivity The specificity of an antibody for a giver characterised by the crossreactivity. Cros een the describes the structural relationship bet antibody. antigen and the binding domain on the c when it An antibody is classified as highly specif en. In binds exclusively with one defined anti dred per practice, the ideal antibody with one hu ody, to a cent specificity does not exist. Every ant with certain degree, also recognises antigens structural homology (Fig. 22.6). tibody will A high degree of crossreactivity of the a inevitably result in interference in the immunoassay.