1. Kathleen Stassen Berger The Developing Person Through the Life Span Eighth Edition Part I Heredity and Environment Chapter Three The Genetic Code From One Cell to Many Genotype and Phenotype Chromosomal and Genetic Problems

2. The Genetic Code What Genes Are The Beginnings of Life –Matching Genes –Male or Female? THINKING CRITICALLY: Too Many Boys? –New Cells, New Functions –Stem Cells

3. The Genetic Code Twins –Monozygotic Twins –Dizygotic Twins Assisted Reproduction THINKING CRITICALLY: Two Babies for the Price of One?

4. From One Cell to Many Epigenetics Gene-Gene Interactions –Additive Heredity –Dominant-Recessive Heredity More Complications

5. Genotype and Phenotype Current Consensus –Alcoholism –Nearsightedness Practical Applications

6. Chromosomal and Genetic Problems Not Exactly 46 –Down Syndrome –Problems of the 23 rd Pair Gene Disorders –Recessive Disorders

7. Chromosomal and Genetic Problems Genetic Counseling and Testing A VIEW FROM SCIENCE: Genetic Testing for Psychological Disorders