Combining the genomes of two species through hybridization and chromosome doubling
can create a new allopolyploid species virtually overnight. Although common in Nature, such …

A silent transgene in Arabidopsis thaliana was reactivated in an outcross but not upon
selfing of hemizygous plants. This result could only be explained by assuming a genetic …

Genome doubling (polyploidy) has been and continues to be a pervasive force in plant
evolution. Modern plant genomes harbor evidence of multiple rounds of past …

Polyploidy, the condition of possessing more than 2 complete chromosome sets in the same
nucleus, is frequent in nature and has implications for a species' prospects for evolution …

Genome doubling, or polyploidy, is a major factor accounting for duplicate genes found in
most eukaryotic genomes. Polyploidy has considerable effects on duplicate gene …

Allopolyploid plants are hybrids that contain two copies of the genome from each parent.
Whereas wild and cultivated allopolyploids are well adapted, man-made allopolyploids are …

Hybridization and polyploidization are now recognized as major phenomena in the
evolution of plants, promoting genetic diversity, adaptive radiation and speciation. Modern …

Allopolyploidy is a prominent mode of speciation in flowering plants. On allopolyploidy,
genomic changes can take place, including chromosomal rearrangement and changes in …

During the past decade, molecular techniques have provided a wealth of data that have
facilitated the resolution of several controversial questions in polyploid evolution. Herein we …

Polyploidy is a common mode of evolution in flowering plants. The profound effects of
polyploidy on gene expression appear to be caused more by hybridity than by genome …