forensic identity genotyping

Specimen

• body fluids
• tissue
• store fresh tissue at 4 degrees C for 24 hours
• store tissue at -20 degrees C or below

Notes

• DNA testing supersedes traditional genotyping because of increased specificity, application to a wider variety of biological tissues & resistance of DNA to environmental factors
• most techniques assay for VNTR (variable number of tandom repeats) loci

More general terms

• genotyping (allele testing)

Additional terms

• microsatellite or variable number of tandem repeat (VNTR)