Plant evolution and hybridisation

See:

http://www.eurekalert.org/pub_releases/2011-03/qmuo-nps031711.php

Article reads: Patterns of gene expression were examined in the new species, its parents, and newly made hybrids between the parents. “What we found was a surprise,” says Richard Buggs, lead author of the paper and Research Fellow at Queen Mary University of London. “It’s as if hybridisation and chromosome doubling hit a re-set button on gene expression, turning them all on; this could allows subsequent generations to experiment by switching off different genes.”

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