Blood Types Codominance/Complete Dominance

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Presentation transcript:

Blood Types Codominance/Complete Dominance Ch 10/11 Blood Types Codominance/Complete Dominance

Blood Types A person can have the following blood types. A, B, AB or O Antigens - Carbohydrates on the surface of the cell determine what blood type you have.

Blood Types Multiple Alleles – A gene that has three or more alleles. (Example: Blood type) The blood groups result from combinations of the three alleles. The blood group alleles are symbolized IA (for A) IB (for B) i (for neither A or B). IA and IB are dominant to i. IA and IB together are codominant.

Blood Types

Blood Types - Matching antibodies = Proteins which attack foreign cells. Mixing the wrong blood groups will cause the antibodies to attack the foreign blood cells and cause them to clump up. Agglutination = The clumping of red blood cells when held together by antibodies

Blood Types

Blood Types AB is considered a universal recipient.

Blood Types O is considered a universal donor.

Blood Types

Blood Types - Rh Red blood cells have another antigen on their surface called the Rh antigen. Rh+ is dominant and Rh- is recessive. Rh+ genotypes Rh+ Rh+ Rh- Rh+ Rh- genotypes Rh- Rh-

Blood Types - Rh Rh+ has the Rh antigen and cannot develop Rh antibodies Rh+ can receive both Rh+ and Rh- blood types.

Blood Types - Rh Rh- do not have the Rh antigen and can develop Rh antibodies Rh- can only receive Rh- blood types.