Introduction
A hair without the follicle and its nuclear DNA cannot provide what?
What is individual evidence.
What is the club shaped structure that is in the skin
What is the hair follicle
Which part of the hair can be used to test for nuclear DNA.
What is the follicle
African hair can be described as?
What is kinky, coiled, or curled
Hair grows from what part of the hair?
What is the follicle
Mitochondrial DNA provides clues of what?
ancestry or maternal connections.
What is the central core of hair?
What is the medulla
What is gas chromatography?
What is a chemical test on hair
European hair can be described as
What is straight or wavy
what directs a beam of electrons at a sample.
What is an electron microscopes
Hair is considered as what type of evidence?
What is class evidence
What is the protein in the hair?
What is keratin
What is microscopic hair analysis used to do?
What is exclude a suspect
Describe Asian hair
What is straight and black
The period when hair is naturally shed?
What is the telogen stage
what are the six Categories of hair samples
Head
Body
eyebrows/lashes
beard/mustaches
pubic
underarms
Human hair has which type of cuticle
What is imbricate
What four things can hair testing be used to determine.
What is drugs, toxins, heavy metals and nutritional deficiencies.
What is the ratio of the diameter of the medulla
What is the medullary index
What is visible to the naked eye, and what is invisible to the naked eye.
What is macroscopic and microscopic
What are the four functions of hair?
Regulates body temperature
Decreases friction
Protects against sunlight
Acts as a sense organ
Describe the structure of hair including the main parts as well as the structure of those parts.
What is the follicle and the shaft. The follicle is club shaped, inside the skin, and contains DNA. The shaft if made up of the medulla, cortex, and the cuticle.
DNA is extracted and amplified using what?
What is PCR or polymerase chain reaction
What are the differences between animal hair and human hair?
The pattern of pigmentation
The medullary index
The cuticle type
What are the stages of the hair cycle and describe them.
Anagen stage, the growing stage
Catagen stage, the hair stops growing and the follicle recedes.