Are we using real blood? No, because blood can carry diseases. No, because some students are afraid of needles. Yes.

Why are we doing this lab? Mix parents’ blood to see what babies can be produces. Learn how to find out what blood type a person is so that we can match the parents with their babies. See what happens when someone is given a transfusion of blood that isn’t compatible with them

Procedure 2 drops of Anti-A in the A well. 2 drops of Anti-B in the B well. 2 drops of blood in the A well and in the B well. Stir each well using a separate toothpick – throw the toothpick out! Look for agglutination (clumping).

Blood Type Lab Agglutination No Agglutination This sample is blood type “A”

What Type Would This Be? *No Clumping in either A or B* BLOOD TYPE “O”

What Type Would This Be? *Only Clumping in A* BLOOD TYPE “A”

What Type Would This Be? *Only Clumping in B* BLOOD TYPE “B”

What Type Would This Be? *Clumping in A and B* BLOOD TYPE “AB”

Mr. Smith Mrs. Smith Mr. Jones Mrs. Jones Child #1 Child #2

Mr. Smith Mrs. Smith Mr. Jones Mrs. Jones Child #1 Child #2 AB A A O B O

Mrs. Smith

Mr. Smith

Mrs. Jones

Mr. Jones

Child #1

Child #2