How Venus flytraps evolved their taste for meat

Carnivorous plants repurposed existing genes to catch insects and digest proteinHow does a plant develop a taste for flesh? In the play Little Shop of Horrors, all it takes is a drop of human blood. But in real life, it takes much more. Now, a study of three closely related carnivorous plants suggests dextrous genetic shuffling helped them evolve the ability to catch and digest protein-rich meals.

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