C.
In co-dominance both traits show up, and in incomplete dominance the two traits mix together.
So automatically A, B and D are wrong, since we can see both brown and white colors on the cow separately.
If it were any of those we wouldn't be able to see any of the traits alone they would be a mix.
Answer:
Its b and the other is c ur welcome and its my first time
Explanation:
The answer is B. We don't always have exact proof but our observations tell us more than we already know.