Directional selection favors one extreme phenotype over the other or the average, with individuals possessing alleles for one extreme phenotype being more likely to survive and reproduce.
Selecția direcțională favorizează un fenotip extrem în detrimentul altuia sau al mediei, indivizii cu alele pentru un fenotip extrem fiind mai predispuși să supraviețuiască și să se reproducă.
| Front | Directional selection |
|---|---|
| Back | Directional selection results in one extreme of a range of variation being selected in favour of the other extreme or the average. Individuals with alleles for a single extreme phenotype are more likely to survive and reproduce |
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