Forensic Serology/Blood Typing
antibody
A protein that acts against a specific antigen
antigen
A protein that, when introduced in the blood, triggers the production of an antibody
heterozygous
An organism that has two different alleles for a trait
homozygous
An organism that has two identical alleles for a trait
serum
Clear fluid portion of blood that remains after coagulation
agglutination
Clumping of microorganisms or blood cells, typically due to an antigen-antibody interaction.
None
What antibodies does blood type AB have?
O blood type
What blood type has A antibodies and B antibodies?
Type AB blood
What is the rarest blood type in the United States?
Blood serum & erythrocytes
What two components of blood are directly pertinent to forensic blood identification?
erythrocytes
What type of cell transports oxygen from the lungs to the body tissues?
AB blood type & O blood type
Which blood types only have one genotype form?
universal donor
no antigen, both antibodies; this blood can be transfused into a recipient with any blood type
universal recipient
no natural blood group antibodies in serum; able to receive blood transfusions from any blood type
platelets
tiny, disk-shaped bodies in the blood, important in blood clot formation
leukocytes
white blood cells that combat infection and respond to inflammation
