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Chapter 2

PSYC 223 Chapter 2: Chapter 2 Summary

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Hereditary Influences on Development
Principles of Hereditary Transmission
The Genetic Material
Growth of the Zygote and Production of Body Cells
The Germ (or Sex) Cells
Multiple Births
Male or Female?
Crossing-Over and Chromosome Segregation During Meiosis
What Do Genes Do?
How Are Genes Expressed?
Examples of Dominant and Recessive Traits in Human Heredity
Hereditary Disorders
Chromosomal Abnormalities
Genetic Abnormalities
Predicting, Detecting, and Treating Hereditary Disorders
Detecting Hereditary Disorders
Treating Hereditary Disorders
Ethical Issues Surrounding Treatments for Hereditary Disorders
Hereditary Influences on Behavior
Behavioral Genetics
Theories of Heredity and Environment Interactions in Development
Contributions and Criticisms of the Behavioral Genetics Approach
The Ethological and Evolutionary Viewpoints
Assumptions of Classical Ethology
Ethology and Human Development
Modern Evolutionary Theory
Contributions and Criticisms of Ethological and Evolutionary Viewpoints
Applying Developmental Themes to Hereditary Influences on Development
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