A woman with the ability to roll her tongue (Tt) marries a man who cannot...
BIOLOGY
JAMB 2009
A woman with the ability to roll her tongue (Tt) marries a man who cannot roll his tongue(tt). what is the probability of each of their children being a tongue roller?
- A. 100%
- B. 75%
- C. 50%
- D. 25%
Correct Answer: C. 50%
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