Heredity and Environment Part I Chapter Three Heredity and Environment
The Genetic Code What Genes Are Variations
The Beginnings of Life Matching Genes Male or Female? THINKING CRITICALLY: Too Many Boys? New Cells, New Functions
The Beginnings of Life Twins Assisted Reproduction THINKING CRITICALLY: Two Babies for the Price of One?
From One Cell to Many Epigenetics Gene—Gene Interactions More Complications
Genotype and Phenotype Current Consensus Alcoholism Nearsightedness Practical Applications
Chromosomal and Genetic Problems Not Exactly 46 Gene Disorders Genetic Counseling and Testing A VIEW FROM SCIENCE: Genetic Testing for Psychological Disorders