Chapter 1
Introduction
The Role of Genetics in Medicine 1
Classification of Genetic Disorders 2
Onward 2
Chapter 2
Chromosomal Basis of Heredity
The Human Chromosomes 5
The Life Cycle of a Somatic Cell 5
Meiosis 9
Human Gametogenesis and Fertilization 12
Medical Relevance of Mitosis
and Meiosis 15
Chapter 3
The Human Genome: Structure
and Function of Genes and
Chromosomes
DNA Structure: A Brief Review 17
The Central Dogma:
DNA ~ RNA ~ Protein 18
Fundamentals of Gene Expression 22
Structure of Human Chromosomes 27
Organization of the Human Genome 30
Variation in Gene Expression and Its
Relevance to Medicine 31
Chapter 4
Tools of Human Molecular Genetics ...
Analysis of Individual DNA and
RNA Sequences 33
Methods of Nucleic Acid Analysis 41
The Polymerase Chain Reaction 44
In Situ Hybridization to Chromosomes 46
DNA Sequence Analysis 48
Methods of Protein Analysis 49
Chapter 5
Patterns of Single-Gene Inheritance
Terminology 51
Genetic Disorders with Classical
Mendelian Inheritance 53
Autosomal Recessive Inheritance 56
Patterns of Autosomal Dominant
Inheritance 61
X-linked Inheritance 65
Patterns of Pseudoautosomal Inheritance 71
Atypical Patterns of Inheritance 72
Summary 77
Chapter 6
Genetic Variation in Individuals:
Mutation and Polymorphism
Mutation 79
The Molecular Basis of Mutations and
Their Detection 81
Human Genetic Diversity 87
Inherited Variation and Polymorphism
in Proteins 87
Inherited Variation and Polymorphism in
DNA 90
Uses of Polymorphisms in
Medical Genetics 93
Chapter 7
Genetic Variation in Populations
Genetic Diversity in Human Populations 95
Phenotypes, Genotypes, and Gene
Frequencies 96
The Hardy-Weinberg Law 97
Frequency of X-Linked Genes and
Genotypes 98
Factors That Disturb Hardy-Weinberg
Equilibrium 99
Conclusion 108
Chapter 8
Gene Mapping and the Human Genome
Project 1
Physical Mapping of Human Genes 111
Mapping Human Genes by Linkage
Analysis 118
Applications of Human Gene Mapping 125
The Human Genome Project 132
Chapter 9
Principles of Clinical
Cytogenetics
Introduction to Cytogenetics 135
Chromosome Abnormalities 140
Parent-of-Origin Effects 151
Studies of Chromosomes in
Human Meiosis 153
Mendelian Disorders with
Cytogenetic Effects 153
Cytogenetic Analysis in Cancer 154
Chapter 10
Clinical Cytogenetics: Disorders
of the Autosomes and the
Sex Chromosomes
Autosomal Disorders 157
The Sex Chromosomes and
Their Abnormalities 165
Clinical Case Studies Illustrating
Genetic Principles
Chapter 11
Principles of Molecular Disease:
Lessons from the
Hemoglobinopathies
The Effect of Mutation on
Protein Function 181
How Mutations Disrupt the
Formation of Biologically Normal
Proteins 183
Hemoglobins and Their Diseases 184
Genetic Disorders of Hemoglobin 187
Conclusion 201
Chapter 12
The Molecular and Biochemical
Basis of Genetic Disease
Diseases Due to Mutations in
Different Classes of Proteins 203
Enzyme Defects 206
Defects in Receptor Proteins 218
Transport Defects 222
Disorders of Structural
Proteins 225
Neurodegenerative Disorders 234
Pharmacogenetic Diseases 249
Conclusion 253
Chapter 13
The Treatment of Genetic
Disease 255
The Current State of Treatment of
Genetic Disease 255
Special Considerations in
Treating Genetic Disease 257
Treatment Strategies 258
Chapter 14
Genetics of the Immune System
The Major Histocompatibility
Complex 277
Immunoglobulins 281
The T-Cell Antigen Receptor 284
Single-Gene Disorders of the
Immune System 285
Chapter 15
Genetics of Disorders with
Complex Inheritance
Genetic Analysis of Qualitative
Disease Traits 289
Genetic Analysis of Quantitative
Traits 293
Genetic Mapping of Complex Traits 297
Diseases with Complexlnheritance 299
Conclusion 309
Chapter 16
Genetics and Cancer
Cancer Biology 311
Genetic Basis of Cancer 312
Oncogenes 313
Tumor-Suppressor Genes 320
Tumor Progression by Clonal Evolution
Cancer and the Environment 331
Conclusion 332
Chapter 17
Genetic Aspects of Development ...
(with the assistance of Gregory S. Barsh, MD, PhD.)
Introduction to Developmental
Biology 335
Genes in Development 336
Early Development: Fertilization
to Gastrulation 339
Gene Expression During Development 341
Developmental Genetics in
Clinical Practice 350
Recent Advances in Developmental
Genetics and Potential
Applications 355
Chapter 18
Prenatal Diagnosis
Indications for Prenatal Diagnosis 359
Genetic Counseling for Prenatal
Diagnosis 360
Methods of Prenatal Diagnosis 360
Emerging Technologies for
Prenatal Diagnosis 368
Laboratory Studies 369
The Effect of Prenatal Diagnosis on the
Prevention and Management of
Genetic Disease 372
Conclusion 372
Chapter 19
Genetic Counseling and Risk
Assessment
Genetic Counseling 375
Case Management in Genetic Counseling
Determining Recurrence Risks 379
Conclusion 388
Chapter 20
Genetics and Society
Population Screening for Genetic
Disease 391
Ethical Issues in Medical Genetics 393
Eugenic and Dysgenic Effects on
Gene Frequencies 396
Conclusion 397
Glossary
Answers to Problems
Index