An organism can end up with two different beneficial alleles through natural selection and genetic recombination. Natural selection favors traits that increase an organism's chances of survival and reproduction, leading to the spread of beneficial alleles in a population. Genetic recombination, which occurs during sexual reproduction, can shuffle alleles from different parents, creating new combinations of alleles that may be beneficial. Over time, these processes can result in an organism having two different beneficial alleles that enhance its fitness.
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