Column I | Column II | |
1. | Recombinase | Do not function in nucleoplasm |
2. | Crossing over | Enzyme-mediated process |
3. | Diakinesis | Represents transition to metaphase |
4. | Chiasmata | X-shaped structure |
1. | Alignment of chromosome at equatorial plate |
2. | Attachment of spindle fibres from centrioles to both of the kinetochores of each chromosome |
3. | Separation of sister chromatids |
4. | Exchange of genetic material between non-sister chromatids |
1. | Synthesis of extra DNA during S phase of cell cycle |
2. | Pairing of homologous chromosomes |
3. | Recombination of genetic material during meiosis |
4. | Changes in chromosomes after disintegration of nuclear membrane |
1. | Same DNA content but double chromosome number |
2. | Four times DNA content but double chromosome number |
3. | Same DNA content but half chromosome number |
4. | Half DNA content but double chromosome number |