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Explanation of cross-reaction

Give a brief explanation of cross-reaction.

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Antigen-antibody reactions are particular, however in some cases antibody educe by one antigen can cross react with other antigen. This reaction is named as cross-reaction and the antigen which creates cross-reaction which is called as cross-reactive antigen. Cross-reaction is because of the presence of two or more antigenic determinants on related antigen.

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