Question

Both husband and wife are not colourblind, even though they had colourblind fathers and normal mothers respectively. If the probability of their daughter not being colour blind is 'a' and their son being colour blind is 'b' then a/b = ?

• A. $\frac{1}{4}$
• B. $\frac{1}{2}$
• C. 2
• D. $\frac{2}{3}$

Answer 1

The correct option is C 2


Hence, the required ratio is 2.