Abo Blood Typing Forensics

If a person has type A- blood, then they have _____.

• Only the B antigen

• Both the A and the Rh antigen

• Only the A antigen

• Only the Rh antigen

Which of the following is NOT true concerning blood typing?

• Blood typing is faster and less expensive that DNA testing.

• Blood typing is a source of individual evidence.

• Blood typing can eliminate suspects.

• Blood typing can be used in forensics as well as in determining parentage.

Jenna has been in an accident and needs a blood transfusion. She has been identified as having type B blood. Which of the following BEST describes who Jenna can receive blood from?

• 1 - Someone with type O blood

• 2 - Someone with type B blood

• 3 - Someone with type A blood

• 4 - Both choices 1 & 2 are correct

Which of the following is NOT a presumptive blood test that investigators might use to identify blood at a crime scene?

• Kastle-Meyer

• Luminol

• Fluorescein

• Blood Typing Test

A thief breaks a window of a house and steals a wallet. You test a sample of blood left behind by the thief. It is O-. How do you know it is O-?

• You see clotting in the A & B wells

• You see clotting in the Rh well

• You see clotting in all three wells

• You see clotting in none of the wells

Which antigens would exist on red blood cells if a person had type B+ blood?

• A antigen

• B antigen

• Rh antigen

Which antibodies would exist in blood plasma if a person had type B+ blood?

• A antibodies

• B antibodies

• Rh antibodies

Which blood type would only have Rh antigens on the surface of red blood cells?

• A+

• AB+

• B+

• B-

• O+

Which blood type would have no Rh antigens, but only have B antigens on the surface of red blood cells?

• A+

• AB-

• B+

• B-

• O-

Which blood type would only have anti-B antibodies flowing through blood plasma?

• A

• B

• AB

• O