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The effect this has on evolution is to keep the organisms much the same until there's an environmental stress, when suddenly, in one generation, lots of previously hidden, but hereditable, variation appears.
El efecto que esto tiene sobre la evolución es el de mantener a los organismos iguales hasta que hay una tensión ambiental, cuando de repente en una generación aparecen montones de diferencias antes escondidas, pero heredables.
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