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Showing 1 to 3 of 3 for “"Trivers-Willard"”.
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Patterns of Parental Spending: Do Parents Spend More Money on Sons or Daughters?
… also included in order to test the long-debated Trivers-Willard hypothesis that high status parents will spend more money on sons while low status parents will spend more on daughters. In determining whether an association exists between parents\' expenditures and the gender of their children, …
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Sex Ratios and the City: Is parental corticosterone a mediator of the relationship between urbanization and offspring sex allocation?
<p>The Trivers-Willard hypothesis states that mothers can adjust their offspring sex ratios according to their own condition and the environmental conditions they face during breeding. Past tests of this hypothesis in avian species have focused on how natural variation shapes sex allocation …
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A model-based test of the efficacy of a simple rule for predicting adaptive sex allocation
The division of resources between male and female reproductive function is defined as sex allocation. The usefulness of simple rules to predict adaptive sex-allocation decisions has been a contentious topic. Simple rules are difficult to apply when the biological details of the life cycle are …