Hair & Fiber
These fibers are man-made and include polyester and nylon.
What are synthetic fibers?
These elongated projections form when blood hits a rough surface.
What are spines?
What is CODIS?
Drugs in this schedule have no accepted medical use and a high abuse potential.
What is Schedule I?
The four stages of complete metamorphosis include egg, larva, pupa, and this stage.
What is adult?
This part of the hair contains DNA.
What is the hair root/follicle?
The chemical that glows blue in the dark when reacting with blood is called this.
What is luminol?
This lab technique separates DNA fragments by size using electricity.
What is gel electrophoresis?
This factor of toxicity refers to how much of a substance is taken into the body.
What is dose?
Blowflies can arrive at a body within this amount of time after death.
What is within minutes?
A medullary index of 0.50 or higher suggests this type of hair.
What is animal hair?
A blood drop striking a surface at 90 degrees creates this shape/stain.
What is a circular stain?
This type of DNA is inherited only from the mother and is considered class evidence.
What is mitochondrial DNA?
These drugs increase alertness and energy, such as cocaine and methamphetamine.
What are stimulants?
This term describes the predictable sequence of insect colonization on a body.
What is insect succession?
This type of transfer occurs when fibers are passed from one surface to another through an intermediate object.
What is secondary transfer?
These proteins bind to specific antigens and cause agglutination.
What are antibodies?
The FBI traditionally used this number of core loci in DNA identification.
What is 13 loci?
A test that gives a quick color change but is not conclusive is called this.
What is a presumptive test?
These structures on maggots help determine their developmental stage.
What are spiracles?
These are the three main structural components of the hair shaft.
What are the cuticle, cortex, and medulla?
What is high-velocity impact? (ex. gunshot)
These repeating DNA sequences are used for profiling individuals.
What are STRs (Short Tandem Repeats)?
When a person needs more of a drug to achieve the same effect, this has happened.
What is drug tolerance?
Insect evidence can reveal if a person had ________ or ________ in their system by testing and analyzing a maggot's crop.
What are drugs or toxins?