Download Blood typing

Blood typing
Blood types
• A, B, and O alleles
• Co-dominant
• What blood type do you have?
Blood types
• Different Combinations of GENOTYPES
• AA
• AO
• BB
• BO
• AB
• OO
Rh factor
• Also inherited from parents
• Inherited INDEPENDENTLY of the A,B,O alleles
• RH+= Dominant
• RH+/RH+ or RH+/RH-
• RH-= recessive
• Another antigen
Predict!!
Could a man with type B blood and a woman with type
AB produce a child with type O blood?
Poll- Text answer to 376-06
ANswer
Could a man with type B blood and a woman with type
AB produce a child with type O blood?
ANSWER: NO!
Example:
White bOards
• A woman with type A blood (genotype: AO) is
married to a type B person (genotype: BO). What
blood types will their children have?
White boards
• 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?
White boards
• 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.
Reading
• Read the article
• Answer the questions that go along with the reading
(groups of 2)
Day 2
Blood Typing
Antigens
• Evokes production of antibodies
• Same as your blood type- ONLY A and B antigens
• Example: Type A has A antibodies
• What kind of antigens do you think type O blood has?
antibodies
• People produce antibodies AGAINST foreign antigens
• Ex: If you have type A blood, you have A antigens and
ANTI-B bodies
• If B antigens get into your system ANTI-B bodies
attack them
• Blood clot
Investigation
Question
“Using the blood sample found at the crime scene, which
suspect/ suspectS can we rule out?”