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TaTiana Williams
3/13/14
Pd
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Kim
Biology G
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Blood Typing
Statement of the Problem: How can blood typing be used to identify the blood types
among children of parents with specific blood types?
Hypothesis: If the blood types of the parents are determined then the possible blood types
of the children can be determined
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Step 2, was to place 3-4 drops of Type AB
simulated blood into each of the two wells in a clean blood typing tray
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Then,
step 4 was to add 3-4 drops of anti-B blood-typing serum to the other well
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Look for clumps of solid material to separate from the
mixture
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Step 6,
repeat steps 3-5 using simulated type O blood
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X
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Observations /Data:
Blood Sample
Description after adding
Anti-A serum
Description after adding
Anti-B serum
Type AB
clumping
clumping
Type O
no clumping
no clumping
Cash child 1
clumping
no clumping
Cash child 2
no clumping
clumping
Mr
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● After adding anti-A or anti-B serum the drop of simulated blood type looked
clumping and white; no longer clear
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My hypothesis was correct
because when testing blood types for the children child 1’s blood clumped after adding anti-A
serum but did not clump when anti-B serum was added meaning that his blood type was Type
A,meaning that Cash child one miht be one of Mr
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Also Cash child 2 showed that it had Type B blood
because it was opposite from Cash child 1
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Cash is Type AB it is possible or his
children to be Type A or B blood and it is possible to figure that out by looking at Mr
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In this lab I learned that blood testing can possibly be use determine paternity for a
child and father
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