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Article

Sexes Are Polymorphisms: Describing and Understanding Sexual Diversity as Phenotypic Variation.

Integrative and comparative biology - 12 Jan 2026

Falk Jay Jinsing

Abstract excerpt

Recent discussion has emphasized the need for more precise frameworks for describing sex. Sexes are a type of within-species phenotypic variation, and treating them as such offers a valuable perspective across levels of scientific inquiry. I propose that phenotypic polymorphism-the presence of distinct morphs within a species-provides an especially relevant framework for studying sexes as a form of variation....

Read the complete abstract on PubMed

Topics

Animals
Phenotype
Polymorphism, Genetic
Biological Evolution
Female
Reproduction
Sex Characteristics

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Source

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Identifiers

PMID: 42518229
DOI: 10.1093/icb/icag132
PMCID: PMC13548847

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