Simulated Blood
Student Procedure:
1. Place a small piece of the cloth in each of the wells in
the blood typing trays.
2. Add 3-4 drops of the simulated anti-A serum on the blood stained cloth thats in
the A well of the tray.
3. Add 3-4 drops of the simulated anti-B serum on the blood stained cloth thats in
the B well of the tray.
4. Add 3-4 drops of the simulated anti-Rho serum on the blood stained cloth
thats
in the A well of the tray.
5. Use separate toothpicks to stir each sample of anti-serum and blood stained
cloth.
6. Place 3-4 drops of the victims blood in each of the A, B, and Rho
wells of Tray
#2: Victim.
7. Place 3-4 drops of the victims blood in each of the A, B, and Rho
wells of Tray
#3: Suspect #1.
8. Place 3-4 drops of the victims blood in each of the A, B, and Rho
wells of Tray
#4: Suspect #2.
9. Place 3-4 drops of the victims blood in each of the A, B, and Rho
wells of Tray
#5: Suspect #3.
10. Place 3-4 drops of the victims blood in each of the A, B, and Rho
wells of Tray
#6: Suspect #4.
11. Place 3-4 drops of the simulated anti-A serum in each A well on the trays.
12. Place 3-4 drops of the simulated anti-B serum in each B well on the trays.
13. Add 3-4 drops of the simulated anti-Rho serum in each Rho well
on the trays.
14. Use separate toothpicks to stir each sample of serum and blood.
15. Match the blood type on the cloth to the suspects
Decide who committed the crime.
Anti-A Serum | Anti-B Serum |
Blood Type |
Clumping |
No Clumping |
Type A |
No Clumping |
Clumping |
Type B |
Clumping |
Clumping |
Type AB |
No Clumping |
No Clumping |
Type O |
Blood Source |
Anti-A |
Anti-B |
Anti-Rho |
Blood Type |
Crime Scene |
_________ | _________ | _________ | _________ |
Victim |
_________ | _________ | _________ | _________ |
Suspect #1 |
_________ | _________ | _________ | _________ |
Suspect #2 |
_________ | _________ | _________ | _________ |
Suspect #3 |
_________ | _________ | _________ | _________ |
Suspect #4 |
_________ | _________ | _________ | _________ |