Answer:
It is B
Step-by-step explanation:
The question is wrongly placed under Mathematics which supposedly be under Biology. It talks about genetics. The answer for the question is letter D. There are 4 phenotypes, A, B, O, AB.
So out of 100 questioned 71 said Dallas Cowboys , that means 71% did , now we have to work out 71% of 1200 which is 852