| THE PROCESS OF GENETIC TRANSMISSION |
| Chromosomes and Genes |
| Genes, DNA, and Proteins |
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| GENETIC INFLUENCES ON DEVELOPMENT |
| The Transmission of Traits: A Basic Model |
| Genes on the Sex Chromosomes: Exceptions to the Rule |
| Interactions among Genes |
| Genetic Disorders |
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| GENETIC COUNSELING AND GENETIC ENGINEERING |
| Prenatal Diagnostic Techniques |
| Gene Therapy |
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| HEREDITY-ENVIRONMENT INTERACTIONS |
| How the Environment Influences the Expression of Genes |
| How Genetic Makeup Helps to Shape the Environment |
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| HEREDITY, ENVIRONMENT, AND INDIVIDUAL DIFFERENCES |
| Methods of Studying Individual Differences |
| Some Individual Differences and Their Contributors |
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| SUMMARY |
