Q. No.The motion of sister Chromatids toward opposite poles of the cell occurs by
1. Shortening of microtubules attached to centromere
2. Shortening of microtubules attached to kinetochores
3. Shortening of microtubules attached to Metaphase plate
4. Shortening of microtubules attached to other homologous chromosomes
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Tetrad of cells is a result of
1. Meiosis I
2. Meiosis II
3. Mitosis
4. Prophase II
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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
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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
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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
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Which of the following events occur first in Meiosis?
1. Terminalisation
2. Crossing over
3. Disjunction
4. Synapsis
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Which of the following events occurs in the end, in Meiosis?
1. Terminalisation
2. Crossing over
3. Disjunction
4. Synapsis
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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
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The cell plate is laid during
1. Metaphase
2. Interphase
3. Cytokinesis
4. Telophase
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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
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