Correct!

The "Southern" technique involves:

A.	the detection of RNA fragments on membranes by specific radioactive antibodies.
B.	the detection of DNA fragments on membranes by a radioactive DNA probe. Yes, the Southern technique detects fragments of DNA using a radioactive DNA probe.
C.	the detection of proteins on membranes using a radioactive DNA probe.
D.	the detection of proteins on membranes using specific radioactive antibodies.
E.	the detection of DNA fragments on membranes by specific radioactive antibodies.