1. When it has entered S phase
2. Once it has entered G2 phase
3. Any time during the cell division activity
4. Irrespective of any phase
When it has entered S phase
1. Epidermis
2. Tapetum
3. Endothecium
4. Middle layers
Tapetum
1. Pectin
2. Suberin
3. Cutin
4. Cellulose
Cellulose
1. Tapetal cytoplasm
2. Linker DNA
3. Channels
4. All of these
Channels
1. Deletion
2. Inversion
3. Monosomy
4. Reciprocal translocation
Reciprocal translocation
1. Recombination of linked genes
2. Dominance of genes
3. Linkage between genes
4. Segregation of alleles
Recombination of linked genes
1. 175×105 cells
2. 5×105 cells
3. 32×105 cells
4. 35×105 cells
32×105 cells
1. Cell plate
2. Centroile
3. Centromere
4. Spindle fibres
Centroile
1. 7
2. 14
3. 28
4. 64
7
1. Prophase
2. Metaphase
3. Anaphase
4. Telophase
Metaphase