The observation that all races of humans have the same FOXP2 allele is evidence that ____ favored this allele.

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The fact that all races of humans have the same FOXP2 allele suggests that this allele was not subject to genetic drift (random chance) or artificial selection. The allele's presence across all human populations indicates that it must have been present in the common ancestor of all humans, and its preservation suggests that it was advantageous, likely due to natural selection. Independent assortment and recombination are not relevant factors in this scenario.

The Observation That All Races of Humans Have the Same