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Mitosis & Meiosis

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    Review for the common assessment on Mitosis & Meiosis
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  • Which statement best describes a difference between mitosis and meiosis?
    Meiosis is a multistep process but not mitosis
    mitosis produces identical cells, but not meiosis
    meiosis repairs an organism while mitosis does not
    Mitosis occurs in eukaryotic cells & meiosis in prokaryotic
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  • The below cell is in which phase of meiosis?
    Prophase II
    Anaphase I
    Anaphase II
    Telophase I
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  • The below cell is in which phase of meiosis?
    Anaphase II
    Anaphase I
    Prophase II
    Prophase I
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  • Which of the following statements about crossing over is incorrect?
    Leads to an increase in genetic diversity
    Combines sections of maternal & Paternal chromosomes
    Occurs during prophase I of meiosis
    Plays a role in mitosis & meiosis
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  • When comparing prophase I of meiosis with prophase of mitosis, which of the following occurs only in meiosis?
    the chromosomes condense
    spindle fibers form
    tetrads form
    the nuclear envelope disappears
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  • Which of the following occurs is meiosis but not in mitosis?
    chromosome replication
    Growth of cells prior to division
    Production of daughter Cells
    crossing over
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  • Which of the following is true of the process of meiosis?
    two diploid cells result
    four haploid cells result
    two haploid cells result
    four diploid cells result
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  • Which of the following happens at the conclusion of meiosis I?
    the chromosome number is conserved
    sister chromatids are separated
    homologous chromosomes are separated
    four daughter cells are formed
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  • In which phase of meiosis does crossing over occur?
    Metaphase I
    Anaphase I
    Prophase I
    Prophase II
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  • In which phase of meiosis are tetrads of chromosomes aligned at the center of the cell and independent assortment occurs?
    Metaphase II
    Metaphase I
    Telophase I
    Anaphase I
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  • In animals, somatic cells are produced by mitosis and _______________ are produced by meiosis.
    spores
    diploid cells
    Gametes
    clones
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  • Which of the following is the term for a human cell that contains 22 pairs of autosomes and two X chromosomes?
    a sperm cell
    all the above
    an egg cell
    a female somatic cell
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  • Which of the following is true of a species that has a chromosome number of 2n=16?
    none of the above
    a gamete from this species has 4 chromosomes
    the species is diploid with 32 chromosomes
    the species is diploid with 16 chromosomes
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  • If the liver cells of an animal have 24 chromosomes, how many chromosomes do its sperm cells have?
    6
    24
    12
    48
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  • The humans X and Y chromosomes are:
    are the same size
    all the above
    are found in every living individual
    are called sex chromosomes
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  • What is a karyotype?
    a system of classifying cell nuclei
    an animal cell in the process of cytokinesis
    a display of every pair of homologous chromosomes within
    a collection of mutations
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