In Humans, Ability to Roll the Tongue (R) Is Dominant

Multiple Choice

In humans, ability to roll the tongue (R) is dominant to being unable to roll (r) . Having freckles (F) is dominant to having no freckles (f) . A man heterozygous for both traits marries a woman heterozygous for both traits. What is the probability that they will have a child with freckles?

A) 9/16
B) 3/16
C) 1/16
D) ³/₄
E) ¹/₄