A person with blood group AB is considered as universal recipient because he has
Correct answer: A. Both A and B antigens on RBC but no antibodies in the plasma
- A. Both A and B antigens on RBC but no antibodies in the plasma
- B. Both A and B antibodies in the plasma
- C. No antigen on RBC and no antibody in the plasma
- D. Both A and B antigens in the plasma but no antibodies
Explanation
(a): Individuals with the AB blood group have both antigens A and B on their RBCs and no antibodies for either of the antigens in their plasma. Type O individuals are without A and B antigens on their RBCs but have antibodies for both these antigens in their plasma. Individuals with blood group AB can receive blood from the A, B, or O group, while those with blood group O can donate blood to anyone.
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About Inheritance
Mendel's laws explain segregation, independent assortment and the prediction of genetic ratios using alleles, genotypes and phenotypes. The chapter also covers linked genes, recombination and crossing over during meiosis, then applies pedigree reasoning to X-linked recessive traits, which show different inheritance patterns in males and females.
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