Choose the multi-generation mating type Use the radio buttons to choose the type of mating to be evaluated across multiple generations. Mating type options are described in the following table: Option Choose to simulate: Self progenies over multiple generations by selfing each individual. Outcross progenies over multiple generations by crossing all possible pairs of distinct individuals. Backcross progenies over multiple generations by crossing offspring with the parental line. To Specify the Allowed Mating Types: Select the desired mating type by clicking within the appropriate radio button.