Q. No.How many tetrads are found in meiotic Prophase in an organism with a diploid number of 12?
1.
6
2.
18
3.
24
4.
12
A particular cell has half as much DNA as some of the other cells in a mitotically active tissue, the cell most likely be in
| 1. | G1 | 2. | G2 |
| 3. | Prophase | 4. | Anaphase |
Fruit flies have a diploid number of chromosomes of eight, how many chromosomes will be there in the tetrad of cells?
| 1. | 4 | 2. | 8 |
| 3. | 16 | 4. | Both A and B |
Which of the following events occur first in Meiosis?
| 1. | Terminalisation | 2. | Crossing over |
| 3. | Disjunction | 4. | Synapsis |
Which of the following events occurs in the end, in Meiosis?
| 1. | Terminalisation | 2. | Crossing over |
| 3. | Disjunction | 4. | Synapsis |
The number of chromosomes becomes half at which of the following stages?
| 1. | Synapsis of chromosomes |
| 2. | Crossing over between chromosomes |
| 3. | Terminalisation of chromosomes |
| 4. | Disjunction of chromosomes |
If at the end of meiosis a cell has 12 chromosomes, then how many chromosomes will be there in G2 phase?
1. 12
2. 24
3. 6
4. Cannot be predicted
If at the end of mitosis a cell has 12 chromosomes, then how many chromosomes will be there in S phase?
| 1. | 12 | 2. | 6 |
| 3. | 24 | 4. | Cannot be predicted |
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