Natural variation and persistent developmental instabilities in geographically diverse accessions of the allopolyploid Arabidopsis suecica.

Abstract excerpt

Allopolyploids arise from the hybridization of two species concomitant to genome doubling. While established allopolyploids are common in nature and vigorous in growth, early generation allopolyploids are often less fertile than their progenitors and display frequent phenotypic instabilities. It is commonly assumed that new allopolyploid species must pass through a bottleneck from which only those lines emerge...

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