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 |
Column I | Column II | ||
A. | Carcinogen | 1. | Cancerous tumour |
B. | Anaphase-I | 2. | Disjunction |
C. | Mitotsis | 3. | Synapsis |
D. | Zygotene | 4. | Plectonemic coiling |
A | B | C | D | |
1. | 1 | 2 | 4 | 3 |
2. | 3 | 1 | 4 | 2 |
3. | 2 | 3 | 1 | 4 |
4. | 4 | 1 | 3 | 2 |
List I | List II | ||
A. | Alignment of tetrads on the equatorial plate | I. | Crossing over |
B. | Genetic diversity | II. | Anaphase I |
C. | Centriole duplication | III. | Telophase |
D. | Cytokinesis | IV. | S Phase |
V. | Metaphase I |
Statement I: | Anaphase begins when the cohesin proteins are cleaved. |
Statement II: | Cohesin is responsible for chromosome condensation during cell divsion. |