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Updated: Jun 12, 2026
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Following the Dynamics of Structural Variants in Experimentally Evolved Populations
Published on: February 3, 2023
The origin, genomics and evolution of female-limited polymorphisms
Erik I Svensson1, Jay Jinsing Falk2,3, Lars Iversen4
1Department of Biology, Lund University, Lund223 62, Sweden.
Summary
Female-limited polymorphisms, maintained by various selection pressures, are increasingly recognized across diverse animal species. This review synthesizes their genetic basis, development, and evolutionary dynamics, highlighting unique female-specific selection.
Area of Science:
- Evolutionary Biology
- Genetics
- Developmental Biology
Background:
- Genetic polymorphisms can lead to discrete phenotypes, often maintained by balancing selection like negative frequency-dependent selection (NFDS).
- Historically, research on NFDS focused on male-limited polymorphisms, overlooking female-limited traits.
- Female-limited polymorphisms are increasingly discovered, driven by sexual conflict, social selection, or natural selection.
Purpose of the Study:
- To review and synthesize current knowledge on female-limited polymorphisms.
- To explore their genetic architecture, genomic basis, developmental origins, and evolutionary dynamics.
- To present a conceptual model for their origin and evolution and suggest future research directions.
Main Methods:
- Literature review and synthesis of existing research on female-limited polymorphisms.
- Analysis of genetic, developmental, and evolutionary aspects of these polymorphisms.
- Development of a conceptual model for understanding female-limited polymorphism evolution.
Main Results:
- Female-limited polymorphisms are found in diverse taxa, including invertebrates and vertebrates.
- Selection pressures maintaining female polymorphisms are distinct from those in males.
- Significant knowledge gaps remain due to a historical male-centric research focus.
Conclusions:
- Female-limited polymorphisms represent a significant area of evolutionary study, requiring focused research.
- Understanding these polymorphisms is crucial for a comprehensive view of balancing selection and sexual selection.
- Future research should address the identified knowledge gaps and explore the conceptual model presented.
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