Like Flower, Like Son
It's not easy being a plant. Shrubs, flowers, and trees must regularly fend off attacks from animals and pathogens, to say nothing of their constant struggle to find enough light and nutrients. Plants react to these stresses by modifying their genome. Now, researchers show that the urge to make these modifications can be passed down to offspring for as many as four generations...

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Øyvind Strømmen <oes