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Trends Genet. 2001 Jun;17(6):299-301.

Genome duplication, divergent resolution and speciation.

Author information

  • 1Department of Biology, University of Konstanz, 78457 Konstanz, Germany. john.taylor@uni-konstanz.de

Abstract

What are the evolutionary consequences of gene duplication? One answer is speciation, according to a model initially called Reciprocal Silencing and recently expanded and renamed Divergent Resolution. This model shows how the loss of different copies of a duplicated gene in allopatric populations (divergent resolution) can promote speciation by genetically isolating these populations should they become reunited. Genome duplication events produce thousands of duplicated genes. Therefore, lineages with a history of genome duplication might have been especially prone to speciation via divergent resolution.

PMID:
11377777
[PubMed - indexed for MEDLINE]
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