What limitation of traditional hybridization procedures used in plant and animal breeding can be overcome by recombinant DNA procedures?
| I: | Inclusion and multiplication of undesirable genes |
| II: | Inability of inclusion of desirable traits from other species |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Which of the given statements is correct in the context of visualizing DNA molecules separated by agarose gel electrophoresis?
| 1. | DNA can be seen in visible light |
| 2. | DNA can be seen without staining in visible light |
| 3. | Ethidium bromide stained DNA can be seen in visible light |
| 4. | Ethidium bromide stained DNA can be seen under exposure to UV light |