What is Directional selection?

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asked Dec 9, 2012 in Evolution by GeneX ~Top Expert~ (7,947 points)
    

1 Answer

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selection that occurs when individual fitness tends to increase or decrease with the value of phenotypic trait; can result in steady evolutionary change in the mean value of the trait in the population.
answered Dec 9, 2012 by GeneX ~Top Expert~ (7,947 points)

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