Cover image for An introduction to forensic DNA analysis
Title:
An introduction to forensic DNA analysis
Personal Author:
Edition:
2nd ed.
Publication Information:
Boca Raton, Fla. : CRC Press, c2002
Physical Description:
xx, 292 p., [14] p. of plates : ill. (some col.) ; 26 cm.
ISBN:
9780849302336
Subject Term:
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30000010235141 RA1057.55 I56 2002 Open Access Book Book
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Summary

Summary

Significant advances in DNA analysis techniques have surfaced since the 1997 publication of the bestselling An Introduction to Forensic DNA Analysis. DNA typing has become increasingly automated and miniaturized. Also, with the advent of Short Tandem Repeat (STR) technology, even the most minute sample of degraded DNA can yield a profile, providing valuable case information. However, just as the judicial system slowly and reluctantly accepted RFLP and AmpliType® PM+DQA1 typing, it is now scrutinizing the admissibility of STRs.

Acknowledging STR typing as the current system of choice, An Introduction to Forensic DNA Analysis, Second Edition translates new and established concepts into plain English so that laypeople can gain insight into how DNA analysis works, from sample collection to interpretation of results. In response to the shift toward more efficient techniques, the authors cover the legal admissibility of STR typing, expand the chapter on DNA databases, and revise the section on automated analysis. They also present key decisions and appellate or supreme court rulings that provide precedent at the state and federal levels.

Discussing forensic DNA issues from both a scientific and a legal perspective, the authors of An Introduction to Forensic DNA Analysis, Second Edition present the material in a manner understandable by professionals in the legal system, law enforcement, and forensic science. They cover general principles in a clear fashion and include a glossary of terms and other useful appendices for easy reference.


Reviews 1

Choice Review

Many know little or nothing about DNA typing but want to learn without being overwhelmed by jargon and technical details. This book, in just a few pages, offers fundamental theory, processes, interpretation, and presentation of DNA evidence in court in an interesting and entertaining way, with illustrative cases liberally sprinkled throughout. This new edition (1st, CH, Nov'97) emphasizes the latest methods in crime lab DNA analysis. The watchword for this book is "concise." Some chapters are short but crammed with useful and, more importantly, understandable information. Chapters discuss the nature, collection, and preservation of physical evidence, emphasizing evidence containing DNA; offer a short history of DNA typing; introduce genetics and how variations in DNA lead to subdivisions of a population; discuss various kinds of DNA typing and procedures followed to arrive at a final result; and discuss the complicated topics of interpreting and assessing DNA evidence. Later chapters discuss DNA databanks and issues such as privacy and statistics; treat the very important topics of quality assurance and control, including descriptions of various organizations that have played, and continue to play, a role in developing and maintaining proper practices in DNA typing; and present the law of evidence and the standards of admissibility of DNA evidence, with some landmark cases. Glossary; Internet resources. An ideal book. All levels. J. A. Siegel Michigan State University


Table of Contents

1 The Nature of Physical Evidencep. 1
I. Science and the Lawp. 1
II. Principles and Processes of Criminalisticsp. 2
A. The Principlesp. 2
B. The Processesp. 4
1. Identificationp. 4
2. Classification and Individualizationp. 4
3. Associationp. 6
4. Reconstructionp. 7
III. Fingerprints and DNAp. 7
IV. Conventional Blood Typingp. 8
2 The Collection and Preservation of Physical Evidencep. 13
I. Extraneous Substancesp. 14
II. Collection of Evidencep. 15
III. Preservation of Evidencep. 16
IV. Evaluation of Evidencep. 16
A. RFLPp. 17
B. PCRp. 17
3 A Short History of DNA Typingp. 21
4 The Scientific Basis of DNA Typingp. 33
I. Why DNA?p. 33
II. An Introduction to Human Geneticsp. 33
A. The Physical Basis of Heredityp. 34
B. Alleles: Variations on a Themep. 34
C. Population Geneticsp. 36
III. An Introduction to the Molecular Biology of DNAp. 37
IV. Two Kinds of Variationp. 38
V. Enzymes: The Workhorses of the Biological Worldp. 39
5 An Overview of Forensic DNA Typing Systemsp. 41
I. RELP Analysisp. 41
II. PCR Amplificationp. 42
A. HLA DQ[alpha]/HLA DQA1p. 43
B. AmpliType PMp. 48
C. D1S80p. 49
D. STRsp. 50
E. Gender Identificationp. 52
F. Y-STRsp. 53
G. Mitochondrial DNAp. 56
III. What Kinds of Samples Can be Analyzed?p. 61
IV. How Much Sample Do You Need?p. 61
6 Procedures for Forensic DNA Analysisp. 65
I. Isolation of DNAp. 65
A. Chelex Extractionp. 65
B. QiaAmp Extractionp. 67
C. Organic Extractionp. 68
D. Differential Extractionp. 68
II. Determining the Quality and Quantity of DNAp. 69
A. Determination of Quantityp. 69
B. Determination of Qualityp. 70
III. RFLP Analysisp. 71
IV. PCR Amplificationp. 76
V. Analysis of PCR Productp. 77
A. Sequence Polymorphismsp. 78
1. AmpliType PM+DQA1p. 78
2. Mitochondrial DNA (mtDNA)p. 79
B. Length Polymorphisms (D1S80, STRs, Gender ID)p. 83
VI. Automated Analysis Systemsp. 87
A. Automated DNA Extraction and Amplificationp. 89
1. Liquid Blood Transferp. 89
2. DNA Extractionp. 89
3. Quantitationp. 89
4. Amplificationp. 89
5. Robot Issuesp. 90
B. Summary of Automated Proceduresp. 90
7 Interpretation of DNA Typing Resultsp. 97
I. Complicating Factorsp. 97
A. Multiple Contributorsp. 97
1. Sexual Assault Evidencep. 98
2. Non-sexual Assault Mixturesp. 98
B. Degradationp. 103
C. Extraneous Substancesp. 103
1. Chemical Inhibition of Enzymesp. 104
2. Non-human DNAp. 104
II. System-Specific Interpretational Issuesp. 105
A. RFLPp. 105
1. Multi-(More Than Two) Banded Patternsp. 105
2. Single-Banded Patternsp. 110
3. Summary of RFLP Interpretational Issuesp. 113
B. PCR Systemsp. 114
1. Nuclear DNAp. 114
2. Mitochondrial DNAp. 127
3. Summary of PCR Systems Interpretational Issuesp. 131
III. Summary of DNA Interpretation Issuesp. 131
8 Assessing the Strength of the Evidencep. 139
I. Determination of Genetic Concordancep. 139
A. Continuous Allele Systemsp. 140
B. Discrete Allele Systemsp. 141
II. Evaluation of Resultsp. 142
III. Frequency Estimate Calculationsp. 142
IV. Population Substructurep. 144
A. Estimating Frequenciesp. 145
1. Continuous Allele Systems (RFLP)p. 145
2. Discrete Allele Systems (all PCR systems)p. 146
3. Correction Factorsp. 146
4. Relativesp. 146
5. Counting Methodp. 147
6. Error Ratesp. 147
V. Likelihood Ratiosp. 147
A. What Is the Question?p. 147
B. Complex Evidencep. 149
1. Mixturesp. 149
C. Articulating the Hypothesisp. 150
VI. When Is a DNA Profile Uniquep. 150
9 The DNA Databankp. 157
I. Premise of a Databankp. 157
II. The Difference Between a Databank and a Databasep. 157
III. Elements of a Successful Databankp. 158
A. Legislationp. 158
B. Collection of Samplesp. 158
1. Offendersp. 158
2. Casesp. 160
C. Analysis of Samplesp. 161
1. Choice of Markersp. 161
2. Offendersp. 163
3. Casesp. 164
D. Transforming Analyzed Data into a Databasep. 164
1. The Computer Programp. 164
2. Communication Between Laboratoriesp. 165
3. Privacyp. 165
4. Flow of Offender Data into the Databankp. 166
5. Import of Profiles into the Databasep. 167
6. Categories and Indexesp. 167
7. Searching Profilesp. 168
8. Confirmation of a Matchp. 170
9. United States Statisticsp. 172
IV. Summaryp. 172
10 Quality Assurancep. 175
I. Certification and Accreditationp. 175
A. Certificationp. 175
B. Accreditationp. 175
II. SWDAM (Formerly TWGDAM)p. 176
III. NRC I and IIp. 176
A. NRC Ip. 177
B. NRC IIp. 179
IV. Federal DNA Advisory Boardp. 180
11 Admissibility Standards: Science on Trial in the Courtroomp. 183
I. Frye, Daubert, and the Federal Rules of Evidencep. 183
A. The Frye Standardp. 183
B. The Federal Rules of Evidencep. 184
C. The Daubert Standardp. 185
D. Past Admissibilityp. 186
II. DNA: Some Landmark Casesp. 186
A. RFLPp. 186
B. PCR: DQ[alpha]/A1, Polymarker, D1S80p. 190
C. PCR: STRsp. 192
D. Mitochondrial DNAp. 195
III. The State of the Debatep. 195
12 Epiloguep. 201
Appendix A Glossaryp. 203
Appendix B Key Phrasesp. 217
Appendix C Assessment Toolsp. 219
Appendix D Chromosomal Locationsp. 223
Appendix E Profile Frequency Calculationp. 225
Appendix F Likelihood Ratio and Probability of Exclusionp. 231
Appendix G DAB 98p. 233
Appendix H DAB Statisticsp. 245
Appendix I NRC I, IIp. 253
Appendix J DNA Statutesp. 263
Appendix K DNA Decision Summaryp. 271
Appendix L List STR decisionsp. 273
Appendix M Internet Resourcesp. 277
Indexp. 279