Type the correct answer in the box. spell all words correctly. 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.
1. Medulla
2. Cuticle
3. Cortex
4. Scale pattern
