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Electronic Thesis and Dissertation Repository

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2015

Evolution

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The Evolution Of Kin Recognition, Timothy Ja Hain Dec 2015

The Evolution Of Kin Recognition, Timothy Ja Hain

Electronic Thesis and Dissertation Repository

The discovery that many animals are promiscuous has challenged the importance of Hamilton’s Rule because it reduces the net benefits of helping nestmates. To resolve this challenge, biologists have investigated animals’ abilities to determine degrees of relatedness among individuals using kin recognition mechanisms. I conducted a literature review and found that most animals use one of two mechanisms: “familiarity” whereby kin are remembered from interactions early in life, such as in a nest, or “phenotype matching” whereby putative kin are compared to a template of what kin should look, smell, or sound like based on relatives encountered during early life …