Selection Criterion for QTL Main Effect Search and Drop Use the radio buttons to specify a criterion for determining significant QTLs. This criterion is used solely in the search for main effects of QTL. Available options are listed in the table below: Options Description LOD LOD scores AIC Akiaki information criterion AICC Corrected Akiaki information criterion BIC Sawa Bayesian information criterion ProbF Distribution function of the F distribution To Specify the Selection Criterion: Select the desired criterion by clicking within the appropriate radio button.