regulates conjugation with mutual genetic exchange response to pheromone regulating conjugation with mutual genetic exchange biological_process response to pheromone triggering conjugation without cellular fusion Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a pheromone stimulus regulating the process of conjugation without cellular fusion. GO:0000756 cell communication response to pheromone cellular response to pheromone