Affection Status Coding Select the two values of the phenotype variable if it is an affection status variable. • Select 1/2 if the phenotype variable only contains values 1 and 2 . • Select 0/1 if the phenotype variable only contains values 0 and 1 . To Indicate the Affection Status Coding of the Phenotype Variable: Ensure that Affection Status has been selected as the Type of Phenotype Variable . Click the radio button corresponding to the appropriate coding.