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1. Which of the following cross will give 9:3:3:1 genotypic ratio? Group of answer choices Аах ДА Aa x Aa AAX 42 4. Which of the actions below may probably cause erroneous grading of a hemagglutination reaction? Group of answer choices Grading the hemagalutination on the slide method of forward grouping Grading the occurrence of a cell button in a tube as 4+ None of these actions Grading the bemagalutination after centrifugation of the tubes containing the reagent antisera and patient’s red cells None of the above 2. When 1,000 donors were tested, 75% were positive for Cand 25% were negative for C; the allele frequency of Cis: Group of answer choices 10 25. 1. 5. Which erythrocytes will NOT react with the Anti-B reagent? 1. RBCs from a Bombay individual 2. RBCs from a type o individual 3. RBCs from a Type B individual 4. RBCs from a Type AB individual Group of answer choices 1,2,3,4 0.75 3. Which of the following antibodies causes intravascular hemolysis? Group of answer choices 1 only Anti-A 3 and 4 Anti-c 1 and 2 Anti-K Anti-D
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