Consider a Gene with a Particular Function

question 10

Essay

Consider a gene with a particular function.Mutation X and mutation Y each cause defects in the function of the encoded protein, yet a gene containing both mutations X and Y encodes a protein that works even better than the original protein.The odds are exceedingly small that a single mutational event will generate both mutations X and Y.Explain a simple way that an organism with a mutant gene containing both mutations X and Y could arise during evolution.

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