Identify the correct matched pair.
(1) Segregation-Metaphase ll

(2) Significance of meiosis-production of genetically similar cells

(3) Exchange of genetic material- DIakinesis

(4) Anaphase ll of meiosis-Centromeric division

Subtopic:  Cell Cycle: Meiosis II |
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The mandatory combination responsible for assembly of microtubules are

(1) Na+ and Ca2+

(2) Mg2+ and Ca2+

(3) Cl- and Ca2+

(4) Na+ and K+

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The exchange of segments of non-sister chromatids between chromosomes of a homologous pair termed as

(1) transformation 

(2) translocation

(3) crossing over

(4) chromosomal aberration

Subtopic:  Cell Cycle: Meiosis I |
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Calcium dependent Kinases can control 
(1) cell cycle activities

(2) DNA replication 

(3) Cell surface receptors

(4) membrane structure

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What is the correct sequence of the steps given here ? Also work out the process depicted in the steps.
(i) Homologous chromosomes move toward opposite poles of the cell; chromatids do not separate
(ii) Chromosomes gather together at the two poles of the cell and the nucleare membranes reform 
(iii) Homologous chromosomes pair and exchange segments 
(iv) Homologous chromosomes align on a central plate
(v) The haploid cells separate completely
(1) The correct sequence is IIIIVIIIV and the process is meiosis-I

(2) The correct sequence is IIIVIVIII and the process is mitosis

(3) The correct sequence is IVIIIIIIV and the process is meiosis-I

(4) the correct sequence is IIVIVIII and the process is mitosis

 

Subtopic:  Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
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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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