KROK 1 Stomatology 2015 – Question 80 · KROK (Dentistry)

Human X chromosome contains a dominant gene that is responsible for normal blood clotting. An autosomal dominant gene plays a similar role. Lack of any of these genes leads to the coagulation disorder. The form of interaction between these genes is called:

  1. A. Pleiotropy
  2. B. Complementarity
  3. C. Codominance
  4. D. Epistasis
  5. E. Polymerism
Hint

Note that the normal trait appears only when dominant alleles of both different genes are present together.

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