Processes causing deviations from the Hardy-Weinberg Equilibrium

5. Selection



Population Genetics -- Evolution homepage -- BIO 311D homepage



Selection: differential reproduction among different phenotypes within a population.



Artificial Selection




Response to selection for high and low oil content
in grains of corn (Zea mays).
Response to selection for high and low protein content
in grains of corn (Zea mays).



Response to selection depends on the selection differential and the heritability of the trait in question:

R = h2 * S


Disruptive artificial selection on bristle number in Drosophila.




To Natural Selection

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