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Blood Lab: You look like you might be my type.

Blood Lab: You look like you might be my type. Anatomy & Physiology 2007. Blood Typing. A. determined by antigens, which stimulate body to produce antibodies found on RBC membranes; important information for transfusions B. A and B are codominant genes and O is recessive.

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Blood Lab: You look like you might be my type.

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  1. Blood Lab:You look like you might be my type. Anatomy & Physiology 2007

  2. Blood Typing A. determined by antigens, which stimulate body to produce antibodies found on RBC membranes; important information for transfusions B. A and B are codominant genes and O is recessive. C. Rh Factor: another protein that acts as an antigen; 1.Positive- contains Rh factor, (85%) 2.Negative- does not contain Rh factor; (15%) D. NOTE O- is Universal Donor AB+ is Universal Recipient

  3. Historical Perspective Of Blood Typing Around 1900, Karl Landsteiner discovered that there are four different kinds of human blood based on the presence or absence of specific antigens found on the surface of the red blood cells. In 1940 Landsteiner and Weiner reported the discovery of the Rh factor by studying the blood of the Rhesus monkey. 85% of Caucasians, 94% of Black Americans and 99% of all Asians are Rh positive.

  4. Blood Typing • A blood type has antigen A and will agglutinate with B. • B blood type has antigen B and will agglutinate with A. • AB blood type has antigen A and B and will not agglutinate with either A or B. • O blood type has neither antigen A or B and will agglutinate with either.

  5. Blood Groups

  6. Blood Reactions to Antiserum REACTION Anti-A Serum Anti-B Serum BLOOD TYPE No agglutination Agglutination Agglutination No agglutination Agglutination No agglutination Agglutination No agglutination Type A Type B Type AB Type O

  7. Type Percent O 45 A 39 B 12 AB 4 Population Distribution of Blood Types in the U. S.

  8. Today’s lab • Simulated ABO & Rh blood typing from handouts. • Please complete the entire handout and turn in today or 1st thing tomorrow.

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