Polygenic sex determination produces modular sex polymorphism in an African cichlid fish.

doi:10.1073/pnas.2118574119

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Article

Polygenic sex determination produces modular sex polymorphism in an African cichlid fish.

Proceedings of the National Academy of Sciences of the United States of America - 5 Apr 2022

Moore Emily C, Ciccotto Patrick J, Peterson Erin N, Lamm Melissa S, Albertson R Craig, Roberts Reade B

Abstract excerpt

For many vertebrates, a single genetic locus initiates a cascade of developmental sex differences in the gonad and throughout the organism, resulting in adults with two phenotypically distinct sexes. Species with polygenic sex determination (PSD) have multiple interacting sex determination alleles segregating within a single species, allowing for more than two genotypic sexes and scenarios where sex genotype at a...

Topics

Animals
Cichlids
Female
Genetic Fitness
Male
Phenotype
Polymorphism, Genetic
Sex Characteristics
Sex Chromosomes
Sex Determination Processes

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Open in PubMed Open full text

Identifiers

PMID: 35357968
DOI: 10.1073/pnas.2118574119
PMCID: PMC9168840

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 31 Aug 2026.

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