Fiber Evidence
Two types of fiber
Synthetic or Natural
A method of separating DNA fragments according to their size and charge using an electric current passed through a gel containing the samples
Electrophoresis
The pooling of the blood in tissues after death
livor mortis
DNA is what shape?
Double Helix
The study of the human skeletal system for purposes of identifying unknown remains is known as forensic:
Natural fibers come from these three sources
Plant, Mineral, Animal
DNA evidence is considered what type of evidence?
Individual
The means by which someone dies
Manner of death
Initially, all death investigations should be treated as:
Homicide
The cooling of body temperature after death
Algor Mortis
Fibers are what kind of evidence?
Class
Segment of DNA in a chromosome that contains information used to produce a protein
Gene
The stage in an insect’s life cycle when the insect forms a capsule around itself while it turns into its adult form is called a
Pupa
True/False: Red blood cells have DNA in them
False
DNA is found in what two organelles?
Nucleus and Mitochondria
Size order from smallest to largest?
Fiber -> Yarn -> Textile
If one strand of DNA has the genetic code:
T T G A G C T A C
Its match would be
A A C T C G A T G
Five categories of manner of death
Natural
Accidental
Suicidal
Homicidal
Undetermined
Physical or Biological: Pollen
Biological
The bone closest to the pinky
Ulna
Fibers that are totally man-made from petroleum plastics
Synthetic Polymer Fibers
Name of the national database of DNA samples
CODIS
Autolysis begins
Fresh death
The principle that is the basis of trace evidence collection.
Locards Exchange Principle
Universal Donor
O-