Compaction of chromosomes occurs in

1. Leptotene
2. Zygotene
3. Diplotene
4. Metaphase

Subtopic:  Cell Cycle: Meiosis I |
 80%
Level 1: 80%+
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The stage at which chromosomes start pairing together is
1. Pachytene
2. Zygotene
3. Leptotene
4. Diplotene

Subtopic:  Cell Cycle: Meiosis I |
 83%
Level 1: 80%+
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The synaptonemal complex is visible under

1. Light microwave 2. Electron microscope
3. Compound microscope 4. Simple microscope
Subtopic:  Cell Cycle: Meiosis I |
 78%
Level 2: 60%+
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The synapsed homologous chromosomes form

1. Tetrad
2. 
Bivalent
3. 
Both A and B
4. 
Diad

Subtopic:  Cell Cycle: Meiosis I |
 90%
Level 1: 80%+
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Bivalent is clearly visible at which stage?

1.  Pachytene
2. Leptotene
3. Zygotene
4. Diplotene
Subtopic:  Cell Cycle: Meiosis I |
 78%
Level 2: 60%+
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Which of the following is the shortest phase among the following?

1. Prophase l
2. Zygotene
3. Pachytene
4. Both A and B
Subtopic:  Cell Cycle: Meiosis I |
 73%
Level 2: 60%+
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The appearance of recombination nodule is  a characteristic feature of
1. 
Pachytene
2. 
Zygotene
3. 
Diplotene
4. 
Diakinesis

Subtopic:  Cell Cycle: Meiosis I |
 84%
Level 1: 80%+
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Recombination nodules are

1. Sites over sister chromatids
2. Sites over non-sister chromatids
3. Sites over homologous chromosomes
4. Sites over non-homologous chromosomes

Subtopic:  Cell Cycle: Meiosis I |
 68%
Level 2: 60%+
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Which of the following is an enzyme-mediated process?
1. 
Crossing over
2. 
Synapsis
3. 
Leptotene
4. 
Both A and B

Subtopic:  Cell Cycle: Meiosis I |
 70%
Level 2: 60%+
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Recombination of genetic material occurs

1.  Because of synapsis
2. Because of crossing over
3. Because of termination of chiasmata
4. Because of X Shaped structure
Subtopic:  Cell Cycle: Meiosis I |
 91%
Level 1: 80%+
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