Match the Column-I with Column-II and select the correct option.
Column-I Column-II
(a) DNA fragmentation (i) ssDNA gets embedded in nylon membrane
(b) Electrophoresis (ii) Sample DNA and probe DNA form double stranded DNA
(c) Southern blotting (iii) DNA fragments move to positive pole
(d) Hybridization (iv) Fragments of DNA with variable length are formed