Article
Evolutionary genetics of self-incompatibility in the Solanaceae.
Plant molecular biology - 1 Jan 2000
Richman A D, Kohn J R
Abstract excerpt
The self-incompatibility (S) gene in flowering plants has long been appreciated as an example of extreme allelic polymorphism maintained by frequency-dependent selection. Recent studies of population samples of S-allele sequences obtained by RT-PCR from five species of Solanaceae now reveal a picture of conspicuous inter-specific variation in both S-allele number and age. Explanations for this variation are...
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