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- Directional_selection abstract "In population genetics, directional selection is a mode of natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype. Under directional selection, the advantageous allele increases as a consequence of differences in survival and reproduction among different phenotypes. The increases are independent of the dominance of the allele, and even if the allele is recessive, it will eventually become fixed.Directional selection was first described by Charles Darwin in the book Origin of Species as a form of natural selection. Other types of natural selection include stabilizing and disruptive selection. Each type of selection contains the same principles, but is slightly different. Disruptive selection favors both extreme phenotypes, different from one extreme in directional selection. Stabilizing selection favors the middle phenotype, causing the decline in variation in a population over time.".
- Directional_selection thumbnail Selectiontypes-n0_images.png?width=300.
- Directional_selection wikiPageExternalLink synth_4.htm.
- Directional_selection wikiPageExternalLink 524lects4.htm.
- Directional_selection wikiPageExternalLink select.htm.
- Directional_selection wikiPageID "581913".
- Directional_selection wikiPageRevisionID "601865327".
- Directional_selection hasPhotoCollection Directional_selection.
- Directional_selection subject Category:Selection.
- Directional_selection comment "In population genetics, directional selection is a mode of natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype. Under directional selection, the advantageous allele increases as a consequence of differences in survival and reproduction among different phenotypes.".
- Directional_selection label "Directional selection".
- Directional_selection label "Dobór kierunkowy".
- Directional_selection label "Selección direccional".
- Directional_selection label "Selezione direzionale".
- Directional_selection label "Seleção direcional".
- Directional_selection label "اصطفاء اتجاهي".
- Directional_selection label "定向選擇".
- Directional_selection sameAs Selección_direccional.
- Directional_selection sameAs Selezione_direzionale.
- Directional_selection sameAs Dobór_kierunkowy.
- Directional_selection sameAs Seleção_direcional.
- Directional_selection sameAs m.02s7rl.
- Directional_selection sameAs Q764759.
- Directional_selection sameAs Q764759.
- Directional_selection wasDerivedFrom Directional_selection?oldid=601865327.
- Directional_selection depiction Selectiontypes-n0_images.png.
- Directional_selection isPrimaryTopicOf Directional_selection.
