President's DNA Initiative
-
Advancing Justice Through DNA Technology
DNA Analyst Training
Home
Glossary
Index
Site Map
User Guide
Course Introduction
01: Evidence & DNA
02: Forensic Biology
03: DNA Extraction & Quantitation
04: DNA Amplification
05: Amplified DNA Product Separation
06: STR Data Analysis & Interpretation
STR Data Analysis & Interpretation Software
Introduction
Overview
GeneScan
®
Analysis Parameters
Size Calling Methods
Smoothing
Genotyper
®
GeneMapper
®
ID
v3.2
Features and Procedures:Yfiler Kit
Analysis Modes
FMBIO
®
Analysis Software
FMBIO
®
STaRCall™
Works Cited & Online Links
Data Troubleshooting
Introduction
Data Interpretation and Troubleshooting
Thresholds
Spurious Peaks
Dye Blobs
Spikes
Noise
Pull-up
Stutter
Non-template addition
Microvariants and OL Alleles
Degradation
Stochastic Effects
Allele drop-out
Mutations
Mutation & Paternity
Null Alleles
Controls
Works Cited & Online Links
Data Interpretation & Allele Calls
Introduction
Overview
Step 1: Internal Size Standards and Allelic Ladders
Controls
Positive Controls
Known Extraction Control(s)
Negative Control(s) & Reagent Blanks
Substrate Controls
Step 2: Extraneous Peaks
Step 3: Data Evaluation
Single Source Profiles
Mixtures
Mixtures with Major/Minor Contributors
Mixtures with Known Contributors
Mixtures with Indistinguishable Contributor(s)
Example of Percent Contribution
Two Person Mixture with Three Alleles at a Locus
Two Person Mixture with Two Alleles at a Locus
Reporting Guidelines
Works Cited & Online Links
07: Population Genetics & Statistics
08: Communicating Results
09: Other DNA Markers & Technologies
Course Resources
Laboratory Training Manual
STR Data Analysis & Interpretation
Home
> STR Data Analysis & Interpretation
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