Chapter 1 Genetic Influences on Human Fertility and Sexuality: Introductory Comments from a Biological Scientist

Chapter 2 Genetic Influences on Human Fertility and Sexuality: Introductory Comments from a Social Scientist

Chapter 3 Evolutionary Causes of Genetic Variation in Fertility and other Fitness Components

Chapter 4 Genetic Influences on Childbearing Motivation: Further Testing a Theoretical Framework

Chapter 5 Genetic Influences on Fertility Behavior: Findings From a Danish Twin Study, 1910–1923

Chapter 6 Genetic and Environmental Influences on Fertility Expectations and Outcomes Using NLSY Kinship Data

Chapter 7 A Heritability Study of Childbearing Motivation

Chapter 8 Genetic Influences on Human Fertility and Sexuality: Commentary on Chapters 1–5

Chapter 9 Conditional and Alternative Reproductive Strategies: Individual Differences in Susceptibility to Rearing Experiences

Chapter 10 Environmental and Genetic Influences on Pubertal Development: Evolutionary Life History Traits?

Chapter 11 Behavior Genetic Modeling of Menarche in U.S. Females

Chapter 12 Early Family Environment, Reproductive Strategy, and Contraceptive Behavior: Testing a Genetic Hypothesis

Chapter 13 Genetic Influences on Human Fertility and Sexuality: Commentary on Chapters 6–9

Chapter 15 Endophenotypes for Marital Status in the NAS-NRC Twin Registry

Chapter 16 Age at First Childbirth: A Major Selective Factor for Psychiatric Genes in the Twentieth Century

Chapter 17 Twinning, Fertility, and the Opportunity for Natural Selection in a Micronesian Island Population

Chapter 18 Associations Between the Endothelial Nitric Oxide Synthase Gene (NOS3), Reproductive Behaviors, and Twinning

Chapter 19 Genetic Influences on Human Fertility and Sexuality: Commentary on Chapters 10–14