lecture29 - BioNB 2210: Lecture 29 Nov. 2, 2011 Lecture 29:...

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BioNB 2210: Lecture 29 Nov. 2, 2011 Lecture 29: Reproductive “Skew” Theory Professor H. Kern Reeve Learning Objectives 1. To understand how inclusive fitness theory and game theory can be combined to create a theory of reproductive skew. 2. To understand how skew varies with relatedness and ecological factors in the major types of skew theories. Goal: To apply Hamilton's rule and game theory to the analysis of reproductive sharing within social groups and SHOW how to use this theory to generate a unifying theory of social evolution, and to illustrate empirical testing of the theory in social wasp. Reproductive skew theory attempts to explain the reproductive partitioning within animal societies according to the ecological, social, and genetic attributes of those societies. Social groups in which one or a few breeders strongly dominate the reproduction are high skew societies; societies in which reproduction is shared more equitably are low skew societies. Particularly promising are transactional models of skew, in which the dominant breeders of the society "pay" subordinates (by yielding reproduction) to stay in the group and cooperate peacefully. Dominants can provide at least two kinds of reproductive incentives to
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lecture29 - BioNB 2210: Lecture 29 Nov. 2, 2011 Lecture 29:...

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