Annette is a forensic technician. She is testing a hair found at a crime scene to determine if it came from an animal or a human
. Which part of the hair shaft should she measure for diameter?
Annette should measure the
to see if it is less than one-third the diameter of the hair shaft, which would indicate it is human hair.
Any single hair from anywhere on the human body can be used to identify a person. This conclusion is one of the key findings from a nearly year-long study by a team of researchers from Lawrence Livermore National Laboratory's (LLNL) Forensic Science Center (FSC) and Michigan State University.
Explanation:
human hair. Hair is used as class evidence, and can be used as individual evidence if theres a follicle attached. ... The shaft of a mature human hair does not contain nuclear DNA so that only mitochondrial DNA analysis is possible for such samples.
The Executive Branch. Article II of the Constitution establishes the Executive branch of the federal government. It defines the office of President and Vice President, and an Electoral College to elect them.
