Bio 30 – Blood Typing WebQuest

List the four blood types humans can have:

1. ______

2. ______

3. ______

4. ______

Define the following:

Antigen –

Antibody –

Complete the following table

Antibody for Antibody for Blood Type Anti-A Present? Anti-B Present? Anti-A Present? Anti-B Present?

A

B

O

AB

1) What does it make sense that the A blood type has the A Antigen present but does not have the antibody Anti-A? 2) Is blood type influenced by the environment? Explain.

Record the possible genotype for the following blood types:

A ______

B ______

O ____

AB ____

3) Which alleles are dominant and which are recessive?

4) Which alleles express codominance?

5) Which blood types have an increase susceptibility to diseases?

6) How did the discovery of the ABO blood group save lives? 7) Explain what the Rh factor system is?

8) Why is the Rhesus factor important during pregnancy?

Complete the following practice questions …

A man with AB blood is married to a woman with AB blood. What blood types will their children be and in what proportion?

A man who has type B blood (genotype: BB) is married to a woman with type O blood. What blood type will their children have?

A woman with type A blood (genotype: AO) is married to a type B person (genotype: BO). What blood types will their children have? A woman with type A blood is claiming that a man with type AB blood is the father of her child, who is also type AB. Could this man be the father? Show the possible crosses; remember the woman can have AO or AA genotypes.

A man with type AB blood is married to a woman with type O blood. They have two natural children, and one adopted child. The children's blood types are: A, B, and O. Which child was adopted?

When finished, click on the following link and play the blood transfusion game. http://nobelprize.org/educational/medicine/landsteiner/