The H.M.S beagle and to form scientific theories
If I can remember correctly, I believe the control is what id being tested...
Answer:
People with Rh- blood can give blood to both Rh- and Rh+ recipients. However, those with Rh+ blood cannot give to Rh- recipients. If a person receives blood from someone with an incompatible blood type, it can cause a life threatening immune system reaction.
Dna polymerase can help prevent errors
I think its D but I'm not sure