About 20 of all angiosperm species replicate primarily by , Ask an Expert

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About 20% of all angiosperm species replicate primarily by self-fertilization in which plant’s egg is fertilized by its own pollen. Given that self-fertilization is basically thought of as an ‘evolutionary dead end’ leading to elimination of species, why might selfing be selected for in nature yet still be the ‘evolutionary dead end’.

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