Spooling is
(1) Collection of isolated DNA
(2) Amplification of DNA
(3) Cutting of separated DNA bands from the agarose gel
(4) Transfer of separated DNA fragments to synthetic membranes
(1) Collection of isolated DNA
(2) Amplification of DNA
(3) Cutting of separated DNA bands from the agarose gel
(4) Transfer of separated DNA fragments to synthetic membranes