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22. Which characteristic would not increase or decrease the fitness of the organisms that possess it?A) Certain fruit flies in a population carry genes that increase their ability to survive longer without food thanindividuals that do not possess that gene.B) Certain mice in a population carry genes that cause their fur to be darker than the fur of other individuals that donot possess those genes.C) Certain male birds in a population carry genes that increase the size of their tail relative to the size of the tails ofthe male individuals that do not possess those genes.D) Certain sterile mules in a population carry genes that allow them to carry heavier loads than other sterileindividuals that do not possess those genes.E) Certain humans in a population carry genes that cause their eyesight to deteriorate at a more rapid rate thanother individuals who do not possess those genes.
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