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Article

Evaluating the Central-Marginal Hypothesis: Introgression and Genetic Variation at the Trailing Edge of Quercus bicolor.

Molecular ecology - 1 Dec 2025

Parker Jesse B, Hoban Sean, Thompson Laura M, Schlarbaum Scott E

Abstract excerpt

The central-marginal hypothesis (CMH) predicts reduced genetic diversity and increased differentiation in range-edge populations due to ecological marginality and limited gene flow. Deviations from this pattern, however, can result from historical demographic processes, variation in reproductive strategies or interspecific hybridization. The genus Quercus, known for hybridization and long-distance pollination,...

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Topics

Quercus
Genetic Variation
Genetics, Population
Gene Flow
Hybridization, Genetic
Genetic Introgression

Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

Genotype

Models, Genetic

Sympatry

Inbreeding

Source

Identifiers

PMID: 41287914
DOI: 10.1111/mec.70185

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