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- Green-beard_effect abstract "The green-beard effect is a hypothesis used in evolutional biology to explain altruism between individuals and is linked to the gene-centered view of evolution which postulates that natural selection will increase the frequency of those alleles whose phenotypic effects ensure their successful replication. A gene for altruism can be favored by selection if the altruism is primarily directed at other individuals who share the same allele (kin selection).A green-beard effect occurs when an allele, or linked alleles, produce three phenotypic effects: a perceptible trait, — the hypothetical "green beard";recognition of this trait in others; andpreferential treatment to those recognized.The carrier of the allele is directly recognizing copies of the alleles in other individuals. Whereas most alleles that are favored by kin selection spread by promoting altruism towards those likely to be carrying the same allele, green-beard alleles would rise to frequency by promoting altruism toward individuals certain to be carrying the same allele.Green-beard effect could increase altruism on green-beard phenotypes and therefore its presence in a population even if alleles are assisting other genes that are not exact copies of themselves in a molecular sense; all that is required is that they produce the three phenotypic characteristics described above. Green-beard alleles are vulnerable to mutant genes arising that produce the perceptible trait without the helping behaviour.The idea of a green-beard allele was proposed by William D. Hamilton in his articles of 1964, and named as "Green Beard" by Richard Dawkins in The Selfish Gene (1976).".
- Green-beard_effect wikiPageID "3364638".
- Green-beard_effect wikiPageRevisionID "593990597".
- Green-beard_effect hasPhotoCollection Green-beard_effect.
- Green-beard_effect subject Category:Evolutionary_biology.
- Green-beard_effect subject Category:Selection.
- Green-beard_effect comment "The green-beard effect is a hypothesis used in evolutional biology to explain altruism between individuals and is linked to the gene-centered view of evolution which postulates that natural selection will increase the frequency of those alleles whose phenotypic effects ensure their successful replication.".
- Green-beard_effect label "Efekt zielonej brody (biologia)".
- Green-beard_effect label "Effet Green-beard".
- Green-beard_effect label "Green-beard effect".
- Green-beard_effect label "Greenbeard".
- Green-beard_effect label "緑髭効果".
- Green-beard_effect sameAs Greenbeard.
- Green-beard_effect sameAs Effet_Green-beard.
- Green-beard_effect sameAs 緑髭効果.
- Green-beard_effect sameAs Efekt_zielonej_brody_(biologia).
- Green-beard_effect sameAs m.097t_6.
- Green-beard_effect sameAs Q3048950.
- Green-beard_effect sameAs Q3048950.
- Green-beard_effect wasDerivedFrom Green-beard_effect?oldid=593990597.
- Green-beard_effect isPrimaryTopicOf Green-beard_effect.