Some mammals have demonstrated preferential attraction to individuals that carry immune system alleles that are complementary to their own.Which hypothesis does this observation support?

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The Red Queen hypothesis proposes that sexual selection favors individuals with rare or advantageous alleles that allow them to better resist changing pathogens. The observation of preferential attraction to individuals with complementary immune system alleles supports this hypothesis, as it suggests that individuals are selecting mates with alleles that provide greater resistance to pathogens, thus increasing the survival of their offspring.

Some Mammals Have Demonstrated Preferential Attraction to Individuals That Carry