Is it important that the root of a hair strand is attached whenever performing a DNA test?
The importance of the hair root cannot be stressed enough when it comes to DNA testing. The root bulb must be present, which means the hair must be plucked or shed, not cut. The strand should also be free of chemicals. Read on from www.ehow.com/facts_5992873_dna-forensics-hair-identification.html.
A DNA test can be performed if it is attached or not.
it is not necesssry but could obtain info more eficiently if blood attached to roots is anylized.