The Requirements for Patenting of an Invention Involving DNA in the U.S.are

Multiple Choice

The requirements for patenting of an invention involving DNA in the U.S.are that it should be

A) new,useful,and not obvious to an expert in the field.
B) obvious,and no one should have previously been able to accomplish it.
C) helpful and affordable.
D) new,useful,and predicted by experts in the fielD.