Can someone please answer the question in the picture. Also give an explanation to the answer.

What field of science did harry hess study?

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

Where does the information about where each transcription factor binds originate?