Respuesta :
The average population fitness can be significantly impacted by a population's mutation rate. For instance, if the rate of mutation rises, the average population fitness tends to decline since there are more deleterious mutations.
How can adaptation result from mutation?
A mutation is referred to as a genetic disorder if it negatively affects the phenotypic of the child. Alternately, a mutation is referred to as an adaptation if it improves the fitness of the progeny.
What occurs when the rate of mutation rises?
In natural systems, such as viruses, bacteria, and human malignancies, genetic changes frequently lead to a rise in the mutation rate. An increase like this encourages the accumulation of frequently neutral or harmful alleles, although it can also also raise the probability that a population will pick up uncommon advantageous alleles.
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