Chapter Objectives

I.

Discuss natural selection and the evolutionary perspective of human development.

I.

Understand the relationship between chromosomes, DNA, genes, and human reproduction cells.

III.

Distinguish between mitosis and meiosis.

IV.

Discuss the genetic principles of dominant-recessive genes, sex-linked genes, polygenic inheritance, genotype and phenotype, reaction range, and canalization.

V.

Discuss the goals of twin studies and adoption studies in behavior genetics, being sure to mention the difference between the two types of twins.

VI.

Discuss the disorders associated with abnormalities in genes and chromosomes.

VII.

Describe the method and purpose for tests such as amniocentesis, ultrasound sonography, chorionic villus sampling, and the maternal blood test.

VIII.

Describe the five most common techniques for helping infertile couples.

IX.

Present the common explanations for why outcomes for adopted children may be problematic.

X.

Discuss the controversy surrounding research on the heritability of intelligence.

XI.

Explain Sandra Scarr's views that genotypes drive experience and outline criticisms of Scarr's views.

XII.

Define and distinguish between passive, evocative, and active genotype-environment interactions.

XIII.

Distinguish shared environmental experiences from nonshared environmental experiences.

XIV.

Present some conclusions about the research on heredity-environment interaction.

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