A man with type AB blood marries a woman with type A blood. Which of the following blood types might their sons inherit?
Correct answer: D. Type A, type B, or type AB
- A. Type A or type O
- B. Type B or type O
- C. Type AB only
- D. Type A, type B, or type AB
Explanation
d) Type A, type B, or type AB: Option (d) "Type A, type B, or type AB" is the correct answer. The sons can inherit type A blood from their mother (IAi) and type B blood from their father (IAIB). Additionally, they can inherit AB blood type if they inherit both A and B alleles from their father.
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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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