Compare and contrast codominance and incomplete dominance.

Co dominance is when the offspring inherits the trait of the mother and of the father. Like a black cat and a white cat's offspring will be a spotted black cat with maybe white spots.
Incomplete dominance is when both of the traits are combined. Like when the offspring of a red flower and a white flower will give you a pink flower.
However, both co dominance and incomplete dominance are results of mixed traits.
Hope this helps. 

Iam not sure but to me it with be a or dsorry if i was late! hope this ! : )if you really want me to find out the answer that is correct tell me and i will do more research but the a or d makes sense to me.