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Modification of the Stutter Position Label-Filtering Macro in the PE Biosystems Genotyper&REG; Version 2.5 Software Package: Resolution of Stutter-Filter Back Talk, Tables and Figures, by Kinsey and Hormann (Forensic Science Communications, July 2000)

U.S. Department of Justice Federal Bureau of Investigation

July 2000 Volume 2 Number 3

Modification of the Stutter Position Label-Filtering Macro
in the PE Biosystems Genotyper® Version 2.5 Software Package: Resolution of Stutter-Filter Back Talk

Tables and Figures

Table 1
CODIS STR Loci and Associated Stutter
Profiler Plus™			COfiler™
Locus	% Stutter	Filter*	Locus	% Stutter	Filter*
D3S1358	12	733	D3S1358	12	733
vWA	10	900
FGA	12	733	D16S539	10	900
Amelogenin			Amelogenin
D8S1179	8	1150	TH01	8	1150
D21S11	8	1150	TPOX	8	1150
D18S51	16	525	CSF1PO	10	900
D5S818	8	1150
D13S317	8	1150
D7S820	8	1150	D7S820	8	1150

*Filter percent is approximated according to the equation: (10,000/s-100), where s is the percent stutter of the locus.

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Table 2
Order in Which Loci Are Analyzed


Profiler Plus™, Former Order		Profiler Plus™, Current Order

Locus	% Stutter	Locus	% Stutter
D3S1358	12	D3S1358	12
vWA	10	FGA	12
FGA	12	vWA	10
Amelogenin		Amelogenin
D8S1179	8	D18S51	16
D21S11	8	D8S1179	8
D18S51	16	D21S11	8
D5S818	8	D5S818	8
D13S317	8	D13S317	8
D7S820	8	D7S820	8




COfiler™, Former Order		COfiler™, Current Order

Locus	% Stutter	Locus	% Stutter
D3S1358	12	D3S1358	12
D16S539	10	D16S539	10
Amelogenin		Amelogenin
TH01	8	CSF1PO	10
TPOX	8	TH01	8
CSF1PO	10	TPOX	8
D7S820	8	D7S820	8