Suppose That, in Humans, Ability to Roll the Tongue (R)

Multiple Choice

Suppose that, in humans, ability to roll the tongue (R) is dominant to being unable to roll (r) , and having freckles (F) is dominant to having no freckles (f) . If a woman heterozygous for both traits married a man with no freckles who couldn't roll his tongue, what is the probability that they would have a freckled, tongue-rolling child?

A) 9/16
B) 3/16
C) 1/16
D) 3/4
E) 1/4