Electrophoresis separates DNA fragments of different sizes, but this technique does not indicate which of the fragments contains the DNA piece of interest. This problem is solved by Select one:
a. identifying the molecular weights of the fragments in question.
b. measuring the sizes of the bands on the gel.
c. removing the bands from the gel and hybridizing with a known strand of DNA complementary to the gene of interest.
d. knowing the isoelectric points of the piece in question.
e. None of the other answers