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Multiple Alleles- Blood Typing

Multiple Alleles- Blood Typing. How common is your blood type?. 46.1%. 38.8%. 11.1%. 3.9%. Genetics of Blood Types. Human blood type is determined by co-dominant alleles Antigens -proteins-exist on the surface of all of your red blood cells. . Antibodies. Found in the plasma

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Multiple Alleles- Blood Typing

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  1. Multiple Alleles- Blood Typing

  2. How common is your blood type? 46.1% 38.8% 11.1% 3.9%

  3. Genetics of Blood Types • Human blood type is determined by co-dominant alleles • Antigens-proteins-exist on the surface of all of your red blood cells.

  4. Antibodies • Found in the plasma • Specific to a single kind of antigen • Attack and kill that specific kind of antigen

  5. Blood Types AA or AO = Type ABB or BO = Type BOO = Type OAB = Type AB • There are 3 alleles for blood type: A, B, O • Since we have 2 genes: 6 possible combinations http://learn.genetics.utah.edu/units/basics/blood/types.cfm What are blood types?

  6. RBC= Red Blood Cell = antibody Antibody B- protects the body by attacking foreign B antigen blood

  7. Scenario B

  8. Scenario AB

  9. Scenario O

  10. Blood Transfusions O A B AB Blood transfusions – used to replace blood lost during surgery or a serious injury or if the body can't make blood properly because of an illness. • Who can give you blood? • TYPE O -Universal Donors • can give blood to any blood type • No antigens present on RBC • TYPE AB- Universal Recipients • can receive any blood type • No antibodies present in plasma Universal Donor Universal Recipient

  11. Rh Factors • Rhesusmonkeys –contain certain similarities with humans • A blood protein was discovered and present in the blood of some people • The presence of the protein, or lack of it, is referred to as the Rh (for Rhesus) factor. • Rhpositive (Rh+) - contain the protein • Rhnegative (Rh-)- NOTcontain the protein A+ A-B+ B-AB+ AB-O+ O- http://www.fi.edu/biosci/blood/rh.html

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