Biology 1408 Chapter 9

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  1. Crossing over occurs in ______________ of meiosis.
    prophase I
  2. During which stage of mitosis do chromosomes line up at the equator of the spindle apparatus?
    metaphase
  3. Homologous pairs of chromosomes
    Consist of two chromosomes the same size and with the same genes
  4. there are 20 centromeres in a cell, how many chromosomes are there?
    20
  5. Which of the following organisms does NOT reproduce cells by mitosis and cytokinesis?bacterium
    bacterium
  6. During anaphase of meiosis I, what separates?
    homologous chromosomes
  7. The chromosome number is reduced from diploid to haploid during
    meiosis I
  8. The longest period of a cell's life cycle is
    interphase
  9. Which of the following is haploid?
    gamete
  10. The genetic material in bacteria consists of
    ?
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Biology 1408 Chapter 9
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biology 1408 chapter 9
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