How Difficult Is It To Get A Good Sample To Test?

Category: Forensic DNA Testing

Forensic DNA samples vary widely, and the chances of us being able to obtain a DNA profile depends on the sample used. In most cases, items can contain sufficient DNA for analysis, however there may be exceptions. For example, the amount on DNA on the sample may be too small for any significant examination; in other cases, the item provided might be too old, or contaminated with chemicals which might make it unusable for testing.