Source:http://linkedlifedata.com/resource/umls/id/C3158186
GO: 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 that contributes to the process of conjugation with cellular fusion. An example of this process is found in Saccharomyces cerevisiae. [GOC:clt]