Decifrado o genoma da banana, um fruto à beira da extinção

altSabia que as bananas mais comuns nas prateleiras dos nossos supermercados - as bananas Cavendish - são totalmente estéreis? E que esse é também o caso da maioria das variedades de bananas comestíveis existentes no mundo? No caso da Cavendish, que foi introduzida no Ocidente nos anos 1950, isso significa que andamos desde então a comer a "mesma" banana: todas as Cavendish descendem, por clonagem, de uma única planta-mãe, surgida na China, quiçá há milhares de anos.

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