In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be:
Correct answer: C. AB
- A. B
- B. O
- C. AB
- D. A
Explanation
Blood group AB has both A and B antigens, but no antibodies.
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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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