Gametophytic Determination of Pollen Reaction Examples:Species belonging to Solanaceae,Onagraceae, Rosaceae,Gramineae, Leguminosae,Scrophulariaceae 1)Single Gene S with Multiple Allele Forms ⑨ 8 S S S2S4 S:S3 对立因子学说解释自交不亲和性 公17 Gametophytic Determination of Pollen Reaction Examples:Species belonging to Solanaceae, Onagraceae, Rosaceae, Gramineae, Leguminosae, Scrophulariaceae 1) Single Gene S with Multiple Allele Forms 对立因子学说解释自交不亲和性