Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.
Reason (R) : Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.
In the light of the above statements, choose the correct answer from the options given below :
Separation of DNA fragments is done by a technique known as
The enzyme (a) is needed for isolating genetic material from plant cells and enzyme (b) for isolating genetic material from fungus. Choose the correct pair of options from the following :
Match List-I with List-II :
List - I | List - II | ||
---|---|---|---|
(a) | Gene gun | (i) | Replacement of a faulty gene by a normal healthy gene |
(b) | Gene therapy | (ii) | Used for transfer of gene |
(c) | Gene cloning | (iii) | Total DNA in the cells of an organism |
(d) | Genome | (iv) | To obtain identical copies of a particular DNA molecule |
Choose the correct answer from the options given below: