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A mixture containing DNA fragments A,B,C...

A mixture containing DNA fragments A,B,Cand D with molecular weights of A+B=C, A>B and D>C was subjected to agarose gel electrophoresis. The poistions of these fragments from cathode to anodesides of the gel would be

A

D,C,A,B

B

A,B,C,D

C

C,B,A,D

D

B,A,D,C

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A
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