Mitosis
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Mitosis | Division of the cell nucleus and its contents
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| Prophase | DNA and proteins condense into tightly coiled chromosomes. The nuclear envelope breaks down and centrioles begin to move to opposite poles. ("Prepare")
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| Metaphase | Spindle fibers attach to each chromosome. They align the chromosomes along the middle of the cell. ("Middle")
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| Anaphase | Chromatids separate to opposide sides of the cell. ("Apart")
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| Telephase | Nuclear membranes start to form, chromosomes begin to uncoil, and the spindle fibers fall apart.
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| Chromosomes | Divides the cell cytoplasm
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| Chromatid | One half of a duplicated chromosome
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| Sister chromatids | Two identical chromatids held together by a centromere
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| Centromere | Sister chromatids are held together here
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| Spindle Fibers | Help align the chromosomes at the middle of the cell
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| Centrioles | Help divide DNA during cell division by producing spindle fibers that attach to the DNA and pull it to one side of the cell.
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| Diploid (2n) | cell that has two copies of each chromosome, one from an egg and one from a sperm.
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| Identical Cells | Cells produced from cell division that are genetically identical to the parent cell.
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| Homologous Chromosomes | Chromosomes that have the same length, appearance, and copies of genes, although the alleles may differ
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| Original Chromosome Number Restored | After a cell duplicates its DNA during S phase, the cell will divide resulting in the original chromosome number.
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| Cytokinesis | The division of the cell cytoplasm
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