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If a mother is a non tongue roller and Father is a tongue roller, whose father was a non- roller, what is the probability of having a roller daughter?

If a mother is a non tongue roller and Father is a tongue roller, whose father was a non- roller, what is the probability of having a roller daughter? Correct Answer 1/4

In this case the father is heterozygous as Rr and mother is homozygous recessive rr. Considering the probability of a girl child being ½ we have the probability of a roller as ½. resulted is the product of these two probabilities ½ x ½ = ¼.

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The Proper sequence should be:
A probability distribution with right skew is shown in the figure.
Probability and Statistics mcq question image
The correct statement for the probability distribution is