Mitosis and Meiosis 2 (MJC)

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frozespot171
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135362
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Mitosis and Meiosis 2 (MJC)
Updated:
2012-02-14 21:47:44
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MJC Mitosis Meiosis
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Mitosis Meiosis
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  1. Which statement is NOT true about the function of meiosis?

    1) Meisosis results in the production of haploid gametes.
    2) It results in genetic variation which is essential for natural selection and evolution.
    3) None of the above.
    3) None of the above.
  2. During synapsis

    1) sister chromatids pair all along their length
    2) sister chromatids pair at the centromeres
    3) homologous chromosomes repel each other except at the ends
    4) homologous chromosomes pair all along their length
    4) homologous chromosomes pair all along their length
  3. Which of the following is not a unique feature of meiosis?

    1) Synapsis
    2) Homologous recombination
    3) Reduction division
    4) None of the above
    4) None of the above
  4. Of the following meiotic phases, ____ is most similar in behavior to the mitotic phase of the same name.
    1) Prophase II
    2) Anaphase I
    3) Metaphase I
    4) None of the above
    1) Prophase II
  5. In anaphase I
    1) Sister chromatids move toward opposite poles
    2) Homologous chromosomes move toward opposite poles
    3) Homologues move toward the same pole
    4) Homologous chromosomes move randomly toward either pole
    2) Homologous chromosomes move toward opposite poles
  6. In telophase I
    1) Homologous chromosomes cluster at the poles.
    2) Identical chromatids cluster at the poles
    3) Non-identical chromatids cluster at the poles
    4) Separate, but identical chromatids cluster at the poles
    3) Non-identical chromatids cluster at the poles
  7. If a zygote has 5 chromosomes, the somatic cells formed from it have _______________ chromosomes.
    1) 5
    2) 10
    3) 25
    4) 50
    1) 5
  8. Sexual reproduction favors
    1) Genetic stability
    2) stable populations
    3) Genetic diversity
    4) Beneficial recombination
    3) Genetic diversity
  9. In anaphase I, the _____________ are pulled apart.
    1) Chiasmata
    2) Centromeres
    3) Kinetochores
    4) Sister chromatids
    1) Chiasmata
  10. If a cell with 20 chromosomes divides by meiosis, how many chromosomes will each pole contain at telophase I?
    1) 40
    2) 30
    3) 20
    4) 10
    4) 10
  11. Cytokinesis is the divison of the
    1) Nucleus
    2) Cytoplasm
    3) Cell
    4) Chromosome
    2) Cytoplasm
  12. Which of the following are typical of both mitosis and of
    the first division of meiosis?

    1) The genetic material in the nucleus is duplicated prior to division.
    2)Spindle fibers form.
    3) Two nuclei form as a result of the division.
    4) All of the above.
    4) All of the above.
  13. The M phase of the cell cycle involves two main processes:

    1) Mitosis and cytokinesis.
    2) Meiosis I and meiosis II.
    3) Homologous pairing and crossing-over.
    4) Mitosis and meiosis.
    1) Mitosis and cytokinesis.
  14. If a cell is in G2:

    1) It has twice the amount of DNA present in a telophase nucleus.
    2) It has visibly distinct chromosomes.
    3) It lacks a visible nuclear membrane.
    4) It is in cytokinesis.
    1) It has twice the amount of DNA present in a telophase nucleus.
  15. If a cell has 12 chromatins at G1 phase of interphase, what is the diploid number of the cell?
    1) 6
    2) 12
    3) 24
    4) 36
    2) 12

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