Nurturing Life Sciences
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#Unit 11. Evolution and Behavior
An individual carrying the allele can pass copies of it to his or her own children. This is the allele’s direct fitness. The allele can also pass extra copies of itself to the next generation as the result of the increased fitness of relatives that benefit from the altruistic individual’s actions. This is the allele’s indirect fitness.
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Allele’s inclusive fitness = Direct fitness + Indirect fitness
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Hamilton’s rule
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Degree of genetic relatedness
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Altruism in social insects(haplodiploidy) Workers, rarely reproduce themselves but instead help one reproductive female (the queen) to raise offspring, a phenomenon called eusociality.
