The ABO System
Types of blood
The RH factor
Forensics Blood Typing
Clumping Proteins
100
What cellular characteristic helps us define the blood type (ABO)?
Surface markers known as antigen A or B
100
Can you receive blood from ANYONE? why or why not?
Antibodies
100
You do not have the RH factor, so you are what?
You are RH negative then!
100
Your suspect has type O+ blood. The weapon contains Type A- blood. Is your suspect innocent?
They could be? Who knows!
100
People that can donate blood to anyone are known as what?
Universal Donors!
200
What kind of antigens do type O have?
No antigens!
200
What kind of antigens do type AB have?
A and B antigens!
200
The protein on red blood cells that makes them POSITIVE is called what?
The RH factor!
200
True or false: blood typing can directly identify a particular person.
False!
200
Type O blood has clumping proteins that attack what?
A and B antigens!
300
Genetically, how is blood type O determined?
The individual contains 2 recessive blood type alleles.
300
What kind of antigens do type B have?
B antigens!
300
If you mix blood that is RH positive with RH negative what happens?
It causes clumping!
300
O+
300
Why does blood clump when exposed to "SOMETHING" specific?
Answers may vary!
400
Genetically, how is blood type A determined?
By getting 1 or 2 dominant alleles from your parents.
400
What blood type has no antigens?
Blood type O!
400
Why is it possible that Rh- blood types can donate to Rh+'s but not the opposite?
Answers will vary!
400
Blood typing is considered what kind of evidence: class or individual? DOUBLE if you explain why!
CLASS!!!
400
True or false: all blood types have antibodies in them
False! AB types do not have clumping proteins.
500
True or false: a person with A+ blood can RECEIVE from someone with A- blood.
TRUE!
500
How many blood types are there? Name all of them!
4 and A,B,AB,and O!
500
Jeremiah Smith is a murder victim. His blood does NOT clump with the Anti-D antibodies. Blood on the weapon does. Could this be Jeremiah's blood? Explain.
Answers will vary!
500
You test a blood sample found at a crime scene. It clumps with anti-A and anti-Rh. What blood type is it?
A+
500
What is special about AB+ blood?
is is able to recieve any blood type considering it does not contain antibodies