In: Biology
Comparing nuclear and chromosomal activities in mitosis and meiosis
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Mitosis |
Meiosis |
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Synapsis |
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Crossing over |
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When centromeres separate |
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Chromosome structure and movement during anaphase |
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Number of divisions |
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Number of chromosomes in daughter cells |
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Genetic similarity of daughter cells to parent cells |
Comparing nuclear and chromosomal activities in mitosis and meiosis:
| Mitosis | Meiosis | |
| Synapsis | does not occur. | Occurs during prophase-1. |
| Crossing over | does not occur. | Occurs during prophase-1. |
| When centromeres seperate | Occurs during anaphase. | Occurs during anaphase-2. |
| Chromosome structure and movement during anaphase | V-shaped and move towards poles. | Breakdown of chiasmata and move towards poles. |
| Number of divisions | No division in number of chromosomes. | Division of chromosomes in anaphase-1. |
| Number of chromosomes in daughter cells | No reduction in chromosomal number. | Reduced to half. |
| Genetic similarity of daughter cells to parent cells | Genetically similar to parents. | Genetically dissimilar to parents. |