Term
| What is the role of Mitosis in unicellular organisms? |
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Definition
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Term
| What is the role of Mitosis in multicellular organisms? |
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Definition
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Term
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Definition
| Chromosomes condense and become visible. Spindle forms as centrosomes move to opposite poles |
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Term
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Definition
| Nuclear envelope breaks up, spindle fibers attach to kinetochores on chromosomes. |
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Term
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Definition
| Chromosomes align along equator of cell. |
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Term
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Definition
| Centrosomes split and sister chromatids separate and move to opposite poles of cell |
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Term
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Definition
| Nuclear envelope and nucleolus form at each pole. Chromosomes decondense, spindle disappears |
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Term
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Definition
| Division of the cytoplasm into 2 cells |
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Term
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Definition
| longest portion of cells life, |
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Term
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Definition
| normal cell function and cell growth |
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Term
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Definition
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Term
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Definition
| Additional growth and preparation for division |
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Term
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Definition
| prophase, prometaphase, metaphase, anaphase, telophase, cytokinesis, G0, G1, S, G2 |
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Term
| Why do checkpoints exist? |
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Definition
| To make sure everything is functioning like it should |
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Term
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Definition
Chromosome: continuous molecule of DNA
Chromatid: one of two replicated DNA molecules, make up replicated chromosome |
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Term
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Definition
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Term
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Definition
| 4 genetically different daughter cells, |
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Term
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Definition
| Chromosomes condense, synapsis and crossing over, spindle forms, nuclear envelope disintegrates |
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Term
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Definition
| paired homologous chromosomes align along equator |
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Term
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Definition
| Homologous chromosomes align along equator of cell |
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Term
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Definition
| Nuclear envelop partially assembles around chromosomes |
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Term
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Definition
| Nuclear envelope disintegrates, spindle forms, fibers attach to two kinetochores |
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Term
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Definition
| protein that attaches chromosome to spindle fibers |
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Term
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Definition
| chromosomes align along equator of cell |
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Term
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Definition
| Sister chromatids separate to opposite ends of cell |
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Term
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Definition
| nuclear envelope assembles around 2 daughter nuclei, chromosomes decondenses, spindle disappears, cytokinesis divides into 4 daughter cells |
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Term
| Crossing over happens in? |
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Definition
| Prophase 1 and Prophase 2 |
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Term
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Definition
| process in which 2 homologous chromosomes exchange genetic material |
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Term
| During which stages of meiosis are the chromosome pairs aligned along the equator? |
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Definition
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Term
| At which stage of meiosis is each chromosome composed of a single chromatid? |
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Definition
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Term
| During which stage of meiosis does homolog separation occur? |
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Definition
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Term
| When does random alignment happen? Why is it important? |
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Definition
Metaphase 1.
Contributes to genetic variability |
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Term
| Which portion of Meiosis is most similar to Mitosis? |
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Definition
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Term
| How many daughter cells does Mitosis produce? |
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Definition
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Term
| How many daughter cells does meiosis produce? |
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Definition
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Term
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Definition
| 2 copies of each chromosome |
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Term
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Definition
| 1 copy of each chromosome |
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Term
| Are mitosis daughter cells haploid or diploid? |
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Definition
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Term
| Are meiosis cells haploid or diploid? |
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Definition
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Term
| What process follows daughter production in meiosis |
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Definition
| Spermatogenesis or Oogenesis |
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Term
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Definition
| 2 chromosomes with the same gene sequence |
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Term
| Sources of genetic variation |
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Definition
| crossing over, random alignment of chromosomes in metaphase 1, random fertilization |
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Term
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Definition
| grow and repair tissues, asexual reproduction, so that each cell gets a complete set of genetic info |
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Term
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Definition
| structures that organize proteins which will move chromosomes |
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