Question

Complex genetic diseases are different from single-gene diseases because they __________. A. cause death almost instantly B. are caused by mutations to multiple genes C. are more easily passed from one generation to the next D. cannot be affected by lifestyle choices   Please select the best answer from the choices provided. A B C D

Answer 1

just took the test it is b are caused by mutation to muitiple genes

Answer 2

B. are caused by mutations to multiple genes >I think this is the answer.