Codominance in Humans Blood types

 The ____________of our red blood cells (RBCs) are covered with a variety of proteins and glycoproteins  Why? What is their purpose?

Blood types  One of the major systems is the ABO system  Discovered by Karl Landsteiner in 1900 who then won the Nobel Prize for his work in 1930

Blood types  Four blood groups:  RBC covered in the “A” glycoprotein  RBC covered in the “B” glycoprotein  RBC covered in both the “A” and “B”  RBC not covered in either :blood type ___

Genetics of blood types  The alleles for the “A” and “B” glycoprotein are ?  Glycoprotein A: I A  Glycoprotein B: I B

Genetics of blood types  The allele for no glycoprotein is ?  No glycoprotein: i

Genotypes of blood types  Blood type A:  Blood type B:  Blood type AB:  Blood type O: ?

Genetics of blood types  Do now:  Page 196, #7-8

Blood types  The question you are probably asking is, “Who cares?”  What does blood transfusions have to do with blood types?

Blood types  People can only receive a transfusion of blood if: 

Blood types  People with type A blood can get a transfusion from:  Type __ blood  People with type B blood can get a transfusion from:  Type __ blood

Blood types  People with type AB blood can get a transfusion from:  Type __ blood  People with type O blood can get a transfusion from:  Type __ blood

Blood types  Universal Acceptor:  Universal Donor: