Page last updated: 07/25/2017

DYS448 Variants


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Allele Designation

Allele Size (bp)

Instrument

Amp Kit*

Contributor

Verification/ Conformation Method(s)

Notes

Frequency
DELETION -- ABI 3130 YF Erica Graham, Washington State Patrol Observed in both evidence & reference sample    
DELETION (NULL) [2] -- ABI 3130xl Yfiler New York State Police Forensic Investigative Center Re-amplification Suspect reference sample 1
for other DYS448 deletions, see NullAlleles              
15 (<17) 268.35 ABI 3130xl Yfiler Tayla L. Pinell, Louisiana State Police Crime Laboratory Re-amplification Unidentified remains (right phalanx bone); this specific Y-STR profile has three off-marker range alleles; see also DYS456 and DYS635 1
18.2 288.61 ABI 3500xl Yfiler Tal Ariel, Aviva Dell'Ariccia-Carmon and Aliza Raziel, Israel Police, DNA Database Reamplified and reanalyzed    
20.5 304.15 ABI 3730 Yfiler DNA Forensic Division, Supreme Prosecutor's Office, South Korea Re-amplified and re-analyzed with ABI 3130   1 in 6300
               

4 reported variants as of 07/08/15

 

Locus Duplication

Allele Designation

Instrument

Amp Kit*

Contributor

Verification/Conformation Method(s)

Notes

Frequency
18, 20 ABI 310 Yfiler Bethany L. Harris, Acadiana Crime Lab (New Iberia, LA) Re-extracted sample and re-amplified Sample was a suspect reference 1
19, 20 ABI 310 Yfiler Bethany Harris Acadiana Criminalistics Laboratory (New Iberia, LA) Reinjection and reamplification Suspect reference sample 1
19, 20 [2] ABI 3130xl PowerPlex Y23 Crystal Beepot, Forensic Science Lab - Jamaica Multiple amplifications   seen twice
20, 21 ABI 3500 PowerPlex Y23 Christine Barnes, St. Louis Metropolitan Police Department Re-extracted and re-amplified Buccal swab; allele sizes:  227.46, 233.47 (original); 227.33, 233.33 (re-extracted)  

3 reported as of 07/08/15

 

* Use the following abbreviations for amplification kit names:

 

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Last Updated: 07/08/2015