KROK 1 2014 – Question 89 · KROK (Medicine) · Biology
An 18-year-old male has been diagnosed with Marfan syndrome. Examination revealed a developmental disorder of connective tissue and eye lens structure, abnormalities of the cardiovascular system, arachnodactylia. What genetic phenomenon has caused the development of this disease?
- A. Codominance
- B. Pleiotropy
- C. Multiple allelism
- D. Incomplete dominance
- E. Complementarity
Hint
Notice that unrelated organs are affected together, and ask what that implies about the relation between the mutated gene and the traits.
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