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Working with the geneticists' favourite animal, the fruit fly Drosophila, Dr Gibson has pinpointed a series of so-called cryptic variations that have no effect on a protein's structure, but can nevertheless, if the circumstances are right, have a significant effect on the individual they belong to.
ECONOMIST: Genetics gets more complicated
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The fruit fly, one of science's other favourite lab models, has already been subjected to extensive chemical mutagenesis, providing researchers with a wealth of useful genomic data.
BBC: Mice mutants probe human genome
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But they will harm European producers who have nothing to do with fruit, as well as American consumers, whose favourite European imports will suddenly become impossibly expensive.
ECONOMIST: Going bananas