During meiosis, the sister chromatids separate during:

(1) Anaphase II    

(2) Anaphase I     

(3) The S phase    

(4) Synapsis

Subtopic:  Cell Cycle: Meiosis II |
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Chromosomes decondense into diffuse chromatin:

(1) At the end of telophase                

(2) At the beginning of prophase

(3) At the end of interphase              

(4) At the end of metaphase

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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The total DNA content of each daughter cell is reduced during meiosis because:

(1) Chromosomes do not replicate during the interphase preceding meiosis I

(2) Chromosomes do not replicate between meiosis I and II

(3) Half of the chromosomes from each gamete are lost during fertilization

(4) Chromosome arms are lost during crossing over

Subtopic:  Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
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Which of the following does not occur during mitotic prophase?

(1) Disappearance of the nuclear envelope

(2) Chromosome condensation

(3) Migration of centrosomes towards the cell poles

(4) Synapsis of homologous chromosomes

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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Which of the following is not true for sister chromatids?

(1) They arise by replication during S phase

(2) They segregate from each other during each mitotic anaphase

(3) The usually contain identical versions of the same genetic information

(4) They segregate from each other during meiosis I

Subtopic:  Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
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Which of the following statements is True?
(1) Cell plate represents the middle lamella between the walls of two adjacents cells

(2) At the time of cytokinesis, organelles like mitochondria and plastids get distributed between the daughter cells

(3) Cytokinesis in plant cell is centrifugal and takes place by cell-plate formation while animal cells by furrowing / cleavage and is centripetal

(4) All are correct

Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
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Crossing is an enzyme-mediated process. The enzyme is:

(1) DNA ligase      

(2) Recombinase  

(3) RNAase           

(4) DNAase

Subtopic:  Cell Cycle: Meiosis I |
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Match Column-I with Column-II:
Column-I                                                                                 Column-II
I. Chromosomes are moved to spindle equator                     A. Pachytene
II. Centromere splits and chromatids apart                            B. Zygotene
III. Pairing between homologous chromosomes takes place C. Anaphase
IV. Crossing between homologous chromosomes                 D. Metaphase
(1) I-A, II-B, III-C, IV-D                               

(2) I-B, II-C, III-D, IV-A

(3) I-D, II-C, III-B, IV-A                               

(4) I-C, II-A, III-D, IV-B

Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I |
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Which event is not associated with prophase I?

(1) Synizesis                  

(2) Synapsis                  

(3) Segregation    

(4) Terminalization

Subtopic:  Cell Cycle: Meiosis I |
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A cell cycle includes:

1. Interphase + M-phase / divisional phase

2. Prophase + Metaphase + Anaphase + Telophase

3. G1 + S + G2 – phase

4. Karyokinesis + Cytokinesis

Subtopic:  Intro to Cell Cycle & Interphase |
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