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PubMed · 10937244

Balancing selection on a floral polymorphism.

B Subramaniam·M D Rausher
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Abstract

The common morning glory, Ipomoea purpurea, exhibits a flower color polymorphism at the W locus throughout the southeastern North America. The W locus controls whether flowers will be darkly pigmented (WW), lightly pigmented (Ww), or white with pigmented rays (ww). In this report, we describe results of a perturbation, or convergence, experiment using five plots designed to determine whether balancing selection operates on the W locus. The pattern of gene frequency changes obtained are indicative of balancing selection operating at the W locus, providing direct evidence that both the alleles are actively maintained by selection.

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Gene FrequencyPigmentationPolymorphism, GeneticSelection, GeneticSolanaceaeJournal ArticleResearch Support, U.S. Gov't, Non-P.H.S.

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B Subramaniam, M D Rausher. 2000. Balancing selection on a floral polymorphism.. https://doi.org/10.1111/j.0014-3820.2000.tb00070.x

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