Chapter 9: Sex Ratios

9.0 Introduction
9.1 Chapter objectives
9.2 Characterizing populations
9.3 An introduction to operational sex ratios
9.4 Variety in operational sex ratios
9.5 The puzzle of skewed sex ratios at birth
9.6 The Trivers-Willard hypothesis of sex allocation
9.7 Testing Trivers-Willard in opossums
9.8 Testing Trivers-Willard in red deer
9.9 Testing Trivers-Willard in spider monkeys
9.10 Testing Trivers-Willard in humans
9.11 Beyond Trivers-Willard
9.12 Male bias and extreme sex ratios
9.13 Wrapping Up: Understanding human sex ratios

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The Evolution and Biology of Sex Copyright © 2020 by Sehoya Cotner and Deena Wassenberg is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, except where otherwise noted.