Human Genetics : Concepts and Applications
, by Lewis, Ricki- ISBN: 9780073016443 | 0073016446
- Cover: Hardcover
- Copyright: 2/1/2004
About the Author | p. iii |
List of Boxes | p. vi |
Clinical Coverage | p. vii |
Preface | p. xii |
Visual Preview | p. xvi |
Introduction | p. 1 |
Overview of Genetics | p. 1 |
Genetic Testing | p. 2 |
The Breadth of Genetics | p. 4 |
DNA | p. 4 |
Genes, Chromosomes, and Genomes | p. 6 |
Cells, Tissues, and Organs | p. 6 |
Individual | p. 6 |
Family | p. 6 |
Population | p. 7 |
Evolution | p. 7 |
Genes Do Not Usually Function Alone | p. 9 |
Geneticists Use Statistics to Represent Risks | p. 10 |
Applications of Genetics | p. 10 |
Establishing Identity and Origins | p. 11 |
Health Care | p. 13 |
Agriculture | p. 15 |
Genetics from a Global Perspective | p. 16 |
Cells | p. 21 |
The Components of Cells | p. 22 |
Chemical Constituents of Cells | p. 23 |
Organelles | p. 23 |
The Plasma Membrane | p. 28 |
The Cytoskeleton | p. 30 |
Cell Division and Death | p. 33 |
The Cell Cycle | p. 34 |
Apoptosis | p. 35 |
Cell-Cell Interactions | p. 38 |
Signal Transduction | p. 38 |
Cellular Adhesion | p. 38 |
Stem Cells and Cell Specialization | p. 39 |
Cell Lineages | p. 39 |
Stem Cell Technology Using Embryos | p. 40 |
Stem Cell Technology Using Cells from Adults | p. 40 |
Development | p. 47 |
The Reproductive System | p. 48 |
The Male | p. 48 |
The Female | p. 48 |
Meiosis | p. 49 |
Gamete Maturation | p. 53 |
Sperm Development | p. 53 |
Oocyte Development | p. 54 |
Prenatal Development | p. 56 |
Fertilization | p. 56 |
Early Events-Cleavage and Implantation | p. 56 |
The Embryo Forms | p. 58 |
Supportive Structures | p. 59 |
Multiples | p. 60 |
The Embryo Develops | p. 62 |
The Fetus | p. 63 |
Birth Defects | p. 64 |
The Critical Period | p. 64 |
Teratogens | p. 64 |
Maturation and Aging | p. 66 |
Adult-Onset Inherited Disorders | p. 67 |
Accelerated Aging Disorders | p. 67 |
Is Longevity Inherited? | p. 69 |
Transmission Genetics | p. 73 |
Mendelian Inheritance | p. 73 |
Following the Inheritance of One Gene-Segregation | p. 74 |
Mendel the Man | p. 74 |
Mendel's Experiments | p. 74 |
Terms and Tools to Follow Segregating Genes | p. 76 |
Single-Gene Inheritance in Humans | p. 78 |
Modes of Inheritance | p. 78 |
Solving a Problem: Segregation | p. 83 |
On the Meaning of Dominance and Recessiveness | p. 83 |
Following the Inheritance of Two Genes Independent Assortment | p. 84 |
Mendel's Second Law | p. 84 |
Solving a Problem: Following More Than One Segregating Gene | p. 85 |
Pedigree Analysis | p. 86 |
Pedigrees Then and Now | p. 86 |
Pedigrees Display Mendel's Laws | p. 87 |
Solving a Problem: Conditional Probability | p. 88 |
Extensions and Exceptions to Mendel's Laws | p. 93 |
When Gene Expression Appears to Alter Mendelian Ratios | p. 94 |
Lethal Allele Combinations | p. 94 |
Multiple Alleles | p. 94 |
Different Dominance Relationships | p. 95 |
Epistasis-When One Gene Affects Expression of Another | p. 96 |
Penetrance and Expressivity | p. 97 |
Pleiotropy-One Gene, Many Effects | p. 97 |
Phenocopies-When It's Not in the Genes | p. 98 |
Genetic Heterogeneity-More than One Way to Inherit a Trait | p. 98 |
The Human Genome Sequence Adds Perspective | p. 98 |
Maternal Inheritance and Mitochondrial Genes | p. 100 |
Mitochondrial Disorders | p. 101 |
Heteroplasmy Complicates Mitochondrial Inheritance | p. 102 |
Mitochondrial DNA Studies Clarify the Past | p. 102 |
Linkage | p. 102 |
Linkage Was Discovered in Pea Plants | p. 102 |
Linkage Maps | p. 103 |
Solving a Problem: Linked Genes in Humans | p. 105 |
The Evolution of Gene Mapping | p. 106 |
Matters of Sex | p. 111 |
Sexual Development | p. 112 |
Sex Chromosomes | p. 112 |
The Phenotype Forms | p. 113 |
Is Homosexuality Inherited? | p. 116 |
Traits Inherited on Sex Chromosomes | p. 118 |
X-Linked Recessive Inheritance | p. 119 |
X-Linked Dominant Inheritance | p. 120 |
Solving a Problem: X-Linked Inheritance | p. 123 |
X Inactivation Equalizes the Sexes | p. 124 |
Sex-Limited and Sex-Influenced Traits | p. 126 |
Sex-Limited Traits | p. 126 |
Sex-Influenced Traits | p. 127 |
Genomic Imprinting | p. 127 |
Silencing the Contribution from One Parent | p. 127 |
Imprinting Disorders in Humans | p. 128 |
A Sheep With a Giant Rear End | p. 128 |
Multifactorial Traits | p. 133 |
Genes and the Environment Mold Most Traits | p. 134 |
Polygenic Traits Are Continuously Varying | p. 135 |
Fingerprint Patterns | p. 135 |
Height | p. 135 |
Eye Color | p. 136 |
A Closer Look at Skin Color | p. 136 |
Methods Used to Investigate Multifactorial Traits | p. 138 |
Empiric Risk | p. 138 |
Heritability-The Genetic Contribution to a Multifactorial Trait | p. 140 |
Adopted Individuals | p. 141 |
Twins | p. 141 |
Association Studies | p. 143 |
Some Multifactorial Traits | p. 145 |
Heart Health | p. 145 |
Body Weight | p. 146 |
The Genetics of Behavior | p. 153 |
Genes Contribute to Most Behavioral Traits | p. 154 |
Eating Disorders | p. 155 |
Sleep | p. 157 |
Narcolepsy | p. 157 |
Familial Advanced Sleep Phase Syndrome | p. 158 |
Intelligence | p. 158 |
Drug Addiction | p. 160 |
Mood Disorders | p. 161 |
Schizophrenia | p. 163 |
DNA and Chromosomes | p. 167 |
DNA Structure and Replication | p. 167 |
Experiments Identify and Describe the Genetic Material | p. 168 |
DNA Is the Hereditary Molecule | p. 168 |
DNA Is the Hereditary Molecule-and Protein Is Not | p. 168 |
Deciphering the Structure of DNA | p. 169 |
DNA Structure | p. 172 |
DNA Replication-Maintaining Genetic Information | p. 177 |
Replication Is Semiconservative | p. 177 |
Steps and Participants in DNA Replication | p. 178 |
PCR-Directing DNA Replication | p. 180 |
Gene Action: From DNA to Protein | p. 185 |
Transcription-The Link Between Gene and Protein | p. 186 |
RNA Structure and Types | p. 186 |
Transcription Factors | p. 188 |
Steps of Transcription | p. 189 |
RNA Processing | p. 189 |
Translation of a Protein | p. 191 |
Deciphering the Genetic Code | p. 191 |
Building a Protein | p. 194 |
Protein Folding | p. 197 |
Control of Gene Expression | p. 203 |
Gene Expression Through Time and Tissue | p. 204 |
Globin Chain Switching | p. 204 |
Building Tissues and Organs | p. 205 |
Proteomics | p. 206 |
Mechanisms of Gene Expression | p. 207 |
The Histone Code | p. 207 |
RNA Interference | p. 208 |
Proteins Outnumber Genes | p. 209 |
The "Other" 98.5 Percent of the Human Genome | p. 211 |
Noncoding (nc) RNAs | p. 211 |
Repeats | p. 212 |
Gene Mutation | p. 215 |
Mutations Can Alter Proteins-Three Examples | p. 216 |
The Beta Globin Gene | p. 216 |
Disorders of Orderly Collagen | p. 217 |
A Mutation That Causes Early-Onset Alzheimer Disease | p. 219 |
Multiple Mutations and Confusion | p. 220 |
Causes of Mutation | p. 220 |
Spontaneous Mutation | p. 220 |
Induced Mutations | p. 222 |
Natural Exposure to Mutagens | p. 223 |
Types of Mutations | p. 224 |
Point Mutations | p. 224 |
Splice Site Mutations | p. 226 |
Deletions and Insertions Can Cause Frameshifts | p. 226 |
Pseudogenes and Transposons Revisited | p. 228 |
Expanding Repeats Lead to Protein Misfolding | p. 228 |
The Importance of a Mutation's Position in the Gene | p. 231 |
Globin Variants | p. 231 |
Inherited Susceptibility to Prion Disorders | p. 232 |
Factors That Lessen the Effects of Mutation | p. 232 |
DNA Repair | p. 233 |
Types of DNA Repair | p. 233 |
DNA Repair Disorders | p. 234 |
Chromosomes | p. 239 |
Portrait of a Chromosome | p. 240 |
Telomeres and Centromeres Are Essential | p. 240 |
Karyotypes Are Chromosome Charts | p. 242 |
Visualizing Chromosomes | p. 244 |
Obtaining Cells for Chromosome Study | p. 244 |
Preparing Cells for Chromosome Observation | p. 246 |
Abnormal Chromosome Number | p. 249 |
Polyploidy | p. 250 |
Aneuploidy | p. 250 |
Abnormal Chromosome Structure | p. 255 |
Deletions and Duplications | p. 256 |
Translocations | p. 257 |
Inversions | p. 259 |
Isochromosomes and Ring Chromosomes | p. 260 |
Uniparental Disomy-Two Genetic Contributions from One Parent | p. 262 |
Population Genetics | p. 267 |
When Allele Frequencies Stay Constant | p. 267 |
The Importance of Knowing Allele Frequencies | p. 268 |
When Allele Frequencies Stay Constant | p. 268 |
Hardy-Weinberg Equilibrium | p. 268 |
Solving a Problem: The Hardy-Weinberg Equation | p. 269 |
Practical Applications of Hardy-Weinberg Equilibrium | p. 270 |
DNA Profiling-A Practical Test of Hardy-Weinberg Assumptions | p. 272 |
DNA Patterns Distinguish Individuals | p. 272 |
Population Statistics Are Used to Interpret DNA Profiles | p. 273 |
DNA Profiling to Identify World Trade Center Victims | p. 276 |
Changing Allele Frequencies | p. 281 |
Nonrandom Mating | p. 282 |
Migration | p. 283 |
Historical Clues | p. 283 |
Geographical and Linguistic Clues | p. 284 |
Genetic Drift | p. 284 |
The Founder Effect | p. 284 |
Population Bottlenecks | p. 287 |
Mutation | p. 288 |
Natural Selection | p. 288 |
Tuberculosis Ups and Downs-and Ups | p. 289 |
Evolving HIV | p. 290 |
Balanced Polymorphism | p. 291 |
Gene Genealogy | p. 296 |
PKU Revisited | p. 297 |
CF Revisited | p. 298 |
Human Origins and Evolution | p. 303 |
Human Origins | p. 304 |
The Australopithecines-and Others? | p. 305 |
Homo | p. 306 |
Modern Humans | p. 308 |
Molecular Evolution | p. 309 |
Comparing Genes and Genomes | p. 310 |
Solving a Problem: Comparing Chimps and Humans | p. 311 |
Comparing Chromosomes | p. 313 |
Comparing Protein Sequences | p. 314 |
Molecular Clocks | p. 318 |
Neanderthals Revisited | p. 318 |
Tracking the Sexes: mtDNA and the Y Chromosome | p. 319 |
Eugenics | p. 321 |
Immunity and Cancer | p. 329 |
Genetics of Immunity | p. 329 |
The Importance of Cell Surfaces | p. 330 |
Pathogens | p. 330 |
Genetic Control of Immunity | p. 330 |
Blood Groups | p. 331 |
The Human Leukocyte Antigens | p. 332 |
The Human Immune System | p. 334 |
Physical Barriers and the Innate Immune Response | p. 334 |
The Adaptive Immune Response | p. 335 |
Abnormal Immunity | p. 339 |
Inherited Immune Deficiencies | p. 339 |
Acquired Immune Deficiency Syndrome | p. 339 |
Autoimmunity | p. 340 |
Allergies | p. 342 |
Altering Immune Function | p. 343 |
Vaccines | p. 343 |
Immunotherapy | p. 344 |
Transplantation | p. 346 |
A Genomic View of Immunity-The Pathogen's Perspective | p. 348 |
Crowd Diseases | p. 348 |
Bioweapons | p. 348 |
The Genetics of Cancer | p. 353 |
Cancer as a Genetic Disorder | p. 354 |
From Single Mutations to Sweeping Changes in Gene Expression | p. 354 |
Loss of Cell Cycle Control | p. 354 |
Inherited Versus Sporadic Cancer | p. 355 |
Characteristics of Cancer Cells | p. 357 |
Genes That Cause Cancer | p. 359 |
Oncogenes | p. 359 |
Tumor Suppressors | p. 361 |
A Series of Genetic Changes Causes Some Cancers | p. 365 |
A Rapidly Growing Brain Tumor | p. 365 |
Colon Cancer | p. 365 |
Cancer Prevention, Diagnosis, and Treatment | p. 367 |
Investigating Environmental Causes of Cancer | p. 367 |
Diagnosing and Treating Cancer | p. 368 |
Genetic Technology | p. 373 |
Genetically Modified Organisms | p. 373 |
Of Pigs and Patents | p. 374 |
Recombinant DNA Technology | p. 375 |
Constructing Recombinant DNA Molecules-An Overview | p. 376 |
Isolating the Gene of Interest | p. 377 |
Selecting Recombinant DNA Molecules | p. 378 |
Delivering DNA in Plants and Animals | p. 379 |
Applications of Recombinant DNA Technology | p. 381 |
Drugs | p. 381 |
Textiles | p. 382 |
Paper and Wood Products | p. 382 |
Food | p. 383 |
Bioremediation | p. 384 |
Gene Targeting | p. 385 |
Gene-Targeted Mice as Models | p. 385 |
When Knockouts Are Normal | p. 386 |
Antisense Technology | p. 387 |
Gene Therapy and Genetic Counseling | p. 391 |
Gene Therapy Successes and Setbacks | p. 392 |
Adenosine Deaminase Deficiency-Early Success | p. 392 |
Ornithine Transcarbamylase Deficiency-A Setback | p. 393 |
A Success in the Making-Canavan Disease | p. 395 |
The Mechanics of Gene Therapy | p. 396 |
Treating the Phenotype | p. 397 |
Germline Versus Somatic Gene Therapy | p. 397 |
Sites of Somatic Gene Therapy | p. 398 |
Gene Delivery | p. 401 |
A Closer Look: Treating Sickle Cell Disease | p. 402 |
Genetic Screening and Genetic Counseling | p. 403 |
Genetic Counselors Provide Diverse Services | p. 403 |
Scene from a Sickle Cell Disease Clinic | p. 404 |
Genetic Counseling Quandaries and Challenges | p. 404 |
Perspective: A Slow Start, New Complications, But Great Promise | p. 405 |
Reproductive Technologies | p. 409 |
Infertility and Subfertility | p. 410 |
Male Infertility | p. 410 |
Female Infertility | p. 411 |
Infertility Tests | p. 413 |
Assisted Reproductive Technologies | p. 413 |
Donated Sperm-Intrauterine Insemination | p. 413 |
A Donated Uterus-Surrogate Motherhood | p. 413 |
In Vitro Fertilization | p. 415 |
Gamete Intrafallopian Transfer | p. 415 |
Oocyte Banking and Donation | p. 416 |
Preimplantation Genetic Screening and Diagnosis | p. 417 |
On the Subject of "Spares" | p. 419 |
The Age of Genomics | p. 425 |
Genome Sequencing: A Continuation of Genetics | p. 426 |
The Origin of the Idea | p. 428 |
The Sanger Method of DNA Sequencing | p. 428 |
The Project Starts | p. 430 |
Technology Drives the Sequencing Effort | p. 431 |
Into the Future | p. 433 |
A Multilevel House | p. 433 |
New Types of Studies | p. 436 |
Epilogue: Genome Information Will Affect You | p. 436 |
Answers to End-of-Chapter Questions | p. A-1 |
Glossary | p. G-1 |
Credits | p. C-1 |
Index | p. I-1 |
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