Table 4 Characteristics of crosses and progeny in the recessive model (<i>A</i><sub>h</sub> > <i>A</i><sub>m</sub>): two ‘male’ haplotypes are found (S<sub>1</sub>A<sub>m</sub> and S<sub>2</sub>A<sub>m</sub>) in the population which contains <i>n</i> incompatibility alleles (a) Genotypes and associated phenotypes, relative male fertility and frequencies of individuals (there must be at least three self-incompatibility alleles)