Answer:
If you do the punnet square, This is would you could get, and this could determine whether the cow would be hornless or horned. In this case hornless because it is the donminint trait as well. (H)
Explanation:
h h
H Hh Hh
H Hh Hh
It will be Control. Part of the experiment used to show that the results of an experiment is really due to the conditions being tested.