Page last updated: 03/17/2023
DYS448 Variants
To contribute to this table, click here.
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 | ||
| 18.5 | ABI3500 | Promega Powerplex Y23 | Netherlands Forensic Institute | reamplification and reanalyzed | Trace sample | ||
| 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 | |
| 19, 20 [3] | ABI 3500xl | AmpFLSTR Yfiler | IGNA (Marseille, France) | Haplotype was obtained from from a buccal swab sample. | Allele Size: 307.65, 313.54 pb - Veriti Thermal Cycler, 24-capillary 3500xL Genetic Analyzer, Thermo Fisher Scientific | 1 |
| 19, 21 | ABI 3500XL | AmpFLSTR Yfiler | IGNA (France) | two PCR reactions were performed. Haplotype was obtained from a vaginal swab sample. | 1 | |
| 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:
- CO: Applied Biosystems COfiler
- PR: Applied Biosystems Profiler
- PS: Applied Biosystems Profiler Plus
- ID: Applied Biosystems Identifiler
- PP: Promega PowerPlex 16
- CV: Promega CTTV
- CA: Promega CTTA
- MP: Promega MonoPlex
- PPY: Promega PowerPlex Y
- YF: Applied Biosystems Yfiler
- Other: Please specify
Last Updated: 07/08/2015