Estimating the number, frequency, and dominance of S-alleles in a natural population of Arabidopsis lyrata(Brassicaceae) with sporophytic control of self-incompatibility.

Abstract excerpt

In homomorphic plant self-incompatibility (SI) systems, large numbers of alleles may be maintained at a single Mendelian locus. Most estimators of the number of alleles present in natural populations are designed for gametophytic self-incompatibility systems (GSI) in which the recognition phenotype of the pollen is determined by its own haploid genotype. In sporophytic systems (SSI), the recognition phenotype of...

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