Bio Lecture 11 Cell Division

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redheadsrockyeah
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299806
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Bio Lecture 11 Cell Division
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2015-04-02 22:57:09
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Bio Lecture 11 Cell Division
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Bio Lecture 11 Cell Division
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Bio Lecture 11 Cell Division
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  1. Chromosomes move toward the poles during
    anaphase II
  2. an excess number of chromosomes in a gamet results from
    nondisjunction
  3. this is the process a cell goes through to select which genes it will express
    determination
  4. during which of the following stages of meiosis does the cell contain the greatest amount of DNA?
    prophase I
  5. chromosome number reduces during
    meiosis I
  6. chromosomes align along the equator during
    metaphase
  7. homologous chromosomes separate during
    anaphase I
  8. if a body has 8 chromosomes (e.g. fruit fly), how many pairs will form during prophase II?
    4
  9. an organelle found in animals and involved in cell division is the
    centriole
  10. chromosomes move toward the poles during
    anaphase
  11. during which stage does cytokinesis happen?
    telophase I
  12. centromeres separate allowing the chromatids to move toward the poles in
    anaphase II
  13. two chromatids are connected by a
    centromere
  14. chromatids separate and move toward opposite poles during
    mitosis and meiosis II
  15. during which of the following stages of meiosis does the cell contain the LEAST amount of DNA?
    telophase II
  16. the order in which the stages of mitosis proceed is:
    prophase, metaphase, anaphase, telophase, interphase
  17. when the chromosomes have moved around so that they all lie on a plane in the middle of the cell, the stage is called
    metaphase
  18. chromosomes first become visible during
    prophase
  19. spindles disappear during
    telophase II
  20. if the haploid number of an organism is 6, the diploid number will be
    12
  21. when homologous chromosomes are at the equator of the cell, it is in
    metaphase I
  22. the centromere divides during
    anaphase II
  23. crossing-over and synapsis occur during
    prophase I of meiosis only
  24. in what mitotic stage does the cytoplasm divide?
    telophase
  25. during which of the following stages of meiosis is the cell haploid?
    anaphase II
  26. nondisjunction in humans can result in
    47 chromosomes
  27.                   is not part of interphase
    cytokinesis
  28. during which of the following stages of the cell cycle does DNA replication take place?
    interphase
  29. during which of the following stages of meiosis is the cell diploid?
    metaphase I
  30. the exchange of chromosome parts may occur during
    prophase I
  31. if an organism proceeds through meiosis and produces sex cells with 32 chromosomes (e.g. a horse), the cells of the horse's brain will each contain              chromosomes
    64
  32. two nuclei are formed during
    telophase I
  33. if the haploid number for an organism is 20, the number of chromosomes in each gamete will be
    20
  34. in meiosis, centromeres split in
    anaphase II
  35. during prophase                are formed
    spindles
  36. daughter cells are formed during
    telophase
  37. in a human, the 46 chromosomes would be at the equator during
    metaphase
  38. the separation of homologous chromosomes is
    segregation
  39. fibers extending from cell pole to cell pole are called the
    spindle

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