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Q. No.During which stage of mitosis do the following events occur?
I:
Centromeres split and chromatids separate
II:
Chromatids move to opposite poles
1.
Prophase
2.
Metaphase
3.
Anaphase
4.
Telophase
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
90%
Level 1: 80%+
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The cell shown in the given diagram is in:
 |
|
Subtopic: Cell Cycle: Meiosis I |
73%
Level 2: 60%+
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All the following are significances of mitosis except:
| 1. | Restoration of nuclear/cytoplasmic ratio |
| 2. | Growth of living organisms |
| 3. | Replacement of lost cells |
| 4. | Generation of genetic variation |
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
87%
Level 1: 80%+
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Which of the following stages of Prophase I of meiosis I can last for many months or years in certain vertebrate oocytes?
| 1. | Zygotene | 2. | Pachytene |
| 3. | Diplotene | 4. | Diakinesis |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
86%
Level 1: 80%+
Hints
Males produce gametes by mitosis in:
| 1. | Honey bees | 2. | Grasshopper |
| 3. | Birds | 4. | Drosophila melanogaster |
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
89%
Level 1: 80%+
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Meiosis results in the formation of:
| 1. | Two genetically identical diploid cells |
| 2. | Two genetically non identical diploid cells |
| 3. | Four genetically identical haploid cells |
| 4. | Four genetically non identical haploid cells |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
62%
Level 2: 60%+
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The beginning of diplotene is recognized by:
| I: | dissolution of the synaptonemal complex |
| II: | the tendency of recombined homologues of bivalents to separate |
| III: | tetrads becoming clearly visible |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II, and III |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
69%
Level 2: 60%+
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During anaphase I of meiosis
1. Homologous chromosomes separate
2. Non-homologous autosomes separate
3. Sister chromatids separate
4. Non-sister chromatids separate
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
80%
Level 1: 80%+
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Subtopic: Intro to Cell Cycle & Interphase |
96%
Level 1: 80%+
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In meiosis:
| 1. | A single round of DNA replication is followed by two sequential divisions with chromosome number and DNA content getting reduced twice |
| 2. | A single round of DNA replication is followed by two sequential divisions with chromosome number getting reduced twice and DNA content getting reduced once |
| 3. | A single round of DNA replication is followed by two sequential divisions with chromosome number getting reduced once and DNA content getting reduced twice |
| 4. | A single round of DNA replication is followed by two sequential divisions with chromosome number and DNA content getting reduced once |
Subtopic: Cell Cycle: Meiosis I |
53%
Level 3: 35%-60%
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