Which of the following is an example of incomplete dominance?
A.In a cross between tall plants and short plants, half the offspring are tall and half the offspring are short.
B.A cross between a black mouse and a white mouse produces a gray mouse.
C.A blue-eyed child has one blue-eyed parent and one brown-eyed parent.
D.A cross between a white cow and a red bull produces a calf with white hairs and red hairs.