A mixture of DNA fragments from the same source, after amplification was loaded into wells of two different gels, A and B. The magnified image of the agarose gel after gel electrophoresis has been given below with the possible marker values given aside.
Select the appropriate statement(s) among the following.
I. Gel A has greater agarose concentration than gel B
II. Gel A has lesser agarose concentration than gel B
III. The pore size of gel A is smaller than that of gel B
IV. The pore size of gel B is smaller than that of gel A