Blood Typing
What is the most abundant blood cell?
The red blood cell.
What are the three types of blood evidence?
Spatter, droplets and samples.
Based on size, how does DNA move in gel?
Larger pieces move slowly remaining at the top
Smaller pieces move quickly towards the bottom
What does DNA stand for?
Deoxyribonucleic acid.
List three types of blood.
Type A, Type B, Type O
List something that can be revealed from bloodstain analysis.
Answers may vary, examples are distance, direction, nature of the force, object used, sequencing of events and interpretation.
Deoxyribose
What are the characteristics of blood group AB? (Antigens, antibodies etc).
It has both A and B antigens, but no antibodies.
How is a wipe pattern created?
Created from an object that is moving through a bloodstain.
What is the machine used to separate DNA fragments?
Gel Electrophoresis Machine
The job, a forensic nephologist is a real career. (T/F)
False.
What is the difference between a presumptive test and a confirmatory test?
A presumptive test establishes the possibility of a bodily flood, confirmatory confirms the identity of the fluid.
What is the appearance of a satellite spatter?
Small drops of blood that break off from the parent spatter when the blood droplets hits a surface.
How similar are humans and bananas?
60%
What shape does a Takayama test present it's results in?
In pink feathery crystals arranged in cluster or sheaves.
If someone was stabbed deeply in the neck, what type of bloodstain is expected?
Arterial spurting.
What are the 7 S's of crime scene investigation?
Securing the scene, separating the witnesses, scanning the scene, seeing the scene, sketching the scene, searching for evidence, securing and collecting evidence
What are the four bases of a nucleotide and the pairs they form?
Adenine, Guanine, Cytosine and Thymine
(A-T)
(G-C)