A mixture containing DNA fragments A,B,C and D, with molecular weights of `A + B = C,A gt B and D gt C`, was subjected to agarose gel electrophoresis. The positions of these fragments from cathode to anode sides of the gel would be

Options

A. B, A, C, D
B. A, B, C, D
C. C, B, A, D
D. B, A, D, C

Answer

A