基因间互作关系 遗传型 亲和关系户 ♀ 0 SS, Sx<Sy S.<S S.S Sx<Sy Sy Sy S.S, Sx:Sy S<Sy iS. SS, SySy Sy:Sy S.S, 自交不亲和SS,独立S.<S,隐<显 一一一不亲和 →亲和或弱亲和 源自同一自交不亲和株的后代三种基因型间的交配亲和关系 2)Two Genes and Two Speparate Loci Sporophytic Determination of Pollen Reaction Examples: Cosmos bipinnatus,Cardamine pratensis,Iberia amara and Brassica species. 1818 源自同一自交不亲和株的后代三种基因型间的交配亲和关系 2) Two Genes and Two Speparate Loci Sporophytic Determination of Pollen Reaction Examples: Cosmos bipinnatus, Cardamine pratensis, Iberia amara and Brassica species