KROK 1 Stomatology 2014 – Question 148 · KROK (Dentistry)
If a trait is determined mostly by genetic factors, the percentage of concordance between the twins is much higher in monozygotic twins than in dizygotic ones. What is the percentage of blood group concordance in monozygotic twins?
- A. 25%
- B. 50%
- C. 100%
- D. 75%
- E. 0%
Hint
Consider whether environmental factors affect ABO blood group and how much genetic material monozygotic twins share.
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