stutter
An artifact of polymerase chain reaction (PCR) amplification typically observed one or more repeat units smaller or larger than a short tandem repeat (STR) allele in a DNA electrophoretic profile, may result from strand slippage during PCR amplification. A stutter peak is generally of lower relative fluorescence units (RFU) than the allele peak.
Committee
Human Forensic Biology
Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ASB Standard 091 Standard for Training in Analysis of Forensic Short Tandem Repeat (STR) DNA Data. AAFS Academy Standards Board (ASB), 410 North 21st Street, Colorado Springs, CO, 2026.
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