Hair 1
Hair 2
Hair 3
Hair 4
Hair 5
100
The hair is made up of these two parts.
What is the follicle and a shaft?
100
This is the largest part of the hair shaft. It also houses the pigment granules.
What is the cortex?
100
This is the type of evidence hair is found to be if there isn't a follicular tag present.
What is class evidence?
100
True or False: All hairs on the head of a person are identical.
What is False?
100
Picture below is this type of cuticle pattern:
What is a spinous cuticle pattern?
200
The hair shaft is made up of these three layers.
What are the medulla, cortex and cuticle?
200
This is the main difference between human and animal hair.
What is the medullary index?
200
This is the main function of hair.
What is regulating body temperature.
200
Mitochondrial DNA is inherited from _________________.
What is the mother?
200
This is the name of the protein which makes up hair.
What is Keratin?
300
Many dyes and other hair treatments will glow under a certain color of light. This is the name of the process of shining light on a hair sample.
What is fluorescence?
300
The ____________________ part of hair is like the graphite in the center of a pencil.
What is medulla?
300
These are the three stages of the hair life cycle.
What is anagen, catagen, and telogen?
300
Mitochondrial DNA is _________________ evidence.
What is class evidence?
300
Nuclear DNA, which is not always present in hair samples, is found here.
What is the follicle?
400
This type of microscope focuses a beam of electrons at a sample.
What is a scanning electron microscope?
400
A medullary index above 0.50 is indicative of this type of hair.
What is animal hair?
400
Investigators recognized the importance of hair analysis as trace evidence in criminal investigations in the late ________.
What is the late 1800s.
400
Ingested or absorbed toxins can be detected in the hair by this type of analysis
What is chemical analysis?
400
This type of hair lacks pigment in both the cuticle and the cortex.
What is bleached hair?
500
Hair can adhere to clothes, carpets and many other surfaces and be transferred to other locations. This is called, what?
What is Secondary transfer?
500
The cuticle of human hair is described as this.
What is imbricate?
500
DNA is extracted and amplified using this technique.
What is polymerase chain reaction or PCR?
500
Humans have this many hair follicles on average.
What is 5 million hair follicles?
500
Mitochondrial DNA comes from this part of the hair.
What is the hair shaft?