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    Ch 8b Meiosis

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    What name is given to this process?
To view the animation, click here. Then click on the image to start the animation.

A) gametogenesis
B) sexual reproduction
C)meiosis
D) asexual reproduction
E) fertilization
    Asexual reproduction
    What name is given to this process?
    To view the animation, click here. Then click on the image to start the animation.

    A) gametogenesis
    B) sexual reproduction
    C)meiosis
    D) asexual reproduction
    E) fertilization

    Gametes are produced by _____.

1) meiosis
2) fertilization
3) mitosis
4) the cell cycle
5) asexual reproduction
    Meiosis
    Gametes are produced by _____.

    1) meiosis
    2) fertilization
    3) mitosis
    4) the cell cycle
    5) asexual reproduction

    23
    Normal human gametes carry _____ chromosomes.

    1) 23 pairs of
    2) 5
    3) 23
    4) 46 pairs of
    5) 46

    Which of these cells is (are) haploid?

1) C and D
2) A and D
3) B and C
4) D
5) B
    C and D
    Which of these cells is (are) haploid?

    1) C and D
    2) A and D
    3) B and C
    4) D
    5) B

    16
    A diploid organism whose somatic (nonsex) cells each contain 32 chromosomes produces gametes containing _____ chromosomes.

    1) 16
    2) 8
    3) 64
    4) 30
    5) 32

    two … haploid
    Meiosis I produces _____ cells, each of which is _____.

    four … diploid
    two… diploid
    two… identical to the other
    four … haploid
    two … haploid

    four … haploid
    Meiosis II typically produces _____ cells, each of which is _____.

    four … identical to the other
    four … haploid
    two … haploid
    two… diploid
    four … diploid

    This animation illustrates the events of _____.
 
 prophase I
 telophase II and cytokinesis
 anaphase II
 prophase II
 telophase I and cytokinesis
    prophase II
    This animation illustrates the events of _____.

    prophase I
    telophase II and cytokinesis
    anaphase II
    prophase II
    telophase I and cytokinesis

    his animation illustrates the events of _____.
 

 anaphase I
 anaphase II
 prophase II
 interphase
 telophase I and cytokinesis
    anaphase II
    his animation illustrates the events of _____.

    anaphase I
    anaphase II
    prophase II
    interphase
    telophase I and cytokinesis

    telophase II and cytokinesis
    This animation illustrates the events of _____.

    telophase II and cytokinesis
    telophase II
    telophase I
    telophase I and cytokinesis
    telophase and cytokinesis

    anaphase II
    During _____ sister chromatids separate.

    metaphase I
    prophase I
    prophase II
    anaphase II
    interphase

    telophase I and cytokinesis
    This animation illustrates the events of _____.

    prophase II and cytokinesis
    interphase
    telophase I and cytokinesis
    telophase II and cytokinesis
    telophase and cytokinesis

    telophase I
    At the end of _____ and cytokinesis, haploid cells contain chromosomes that each consist of two sister chromatids.

    telophase II
    metaphase II
    telophase I
    telophase
    interphase

    prophase I
    This is an animation of _____.

    metaphase II
    metaphase I
    telophase II and cytokinesis
    prophase I
    prophase II

    metaphase II
    This animation illustrates the events of _____.

    anaphase I
    interphase
    anaphase II
    prophase I
    metaphase II

    metaphase I
    This animation illustrates the events of _____.

    prophase II
    metaphase I
    metaphase II
    telophase I and cytokinesis
    anaphase I

    prophase I
    Synapsis occurs during _____.

    metaphase II
    anaphase II
    prophase I
    prophase II
    telophase I and cytogenesis

    anaphase I
    Homologous chromosomes migrate to opposite poles during _____.

    metaphase II
    anaphase I
    metaphase I
    telophase II and cytokinesis
    prophase II

    metaphase II
    During _____ chromosomes align single file along the equator of a haploid cell.

    metaphase II
    anaphase I
    telophase I and cytokinesis
    metaphase I
    prophase I

    anaphase I
    This animation illustrates the events of _____.

    metaphase II
    telophase I and cytokinesis
    prophase II
    prophase I
    anaphase I

    telophase II
    At the end of _____ and cytokinesis there are four haploid cells.

    prophase II
    telophase II
    prophase I
    interphase
    anaphase I

    prophase II
    During _____ a spindle forms in a haploid cell.

    anaphase II
    prophase II
    telophase I and cytokinesis
    prophase I
    metaphase II

    interphase
    This animation illustrates _____.

    prophase II
    prophase I
    interphase
    anaphase II
    anaphase I

    crossing over
    This animation illustrates the process of _____.

    cytokinesis
    random fertilization
    crossing over
    centromere separation
    karyokinesis

    B and C
    Which of these gametes contains one or more recombinant chromosomes?

    B and C
    D and E
    A and B
    A and D
    A and C

    four haploid cells.
    Meiosis starts with a single diploid cell and produces

    two haploid cells.
    four haploid cells.
    eight haploid cells.
    four diploid cells.
    two diploid cells

    interphase.
    A cell preparing to undergo meiosis duplicates its chromosomes during

    anaphase I.
    prophase I.
    meiosis II.
    metaphase I.
    interphase.

    homologous chromosomes stick together in pairs.
    During prophase I of meiosis,

    the homologous chromosomes separate and move towards opposite poles.
    homologous chromosomes stick together in pairs.
    chromosome pairs are positioned in the middle of the cell.
    there are four haploid daughter cells.
    there are two daughter cells, each with 23 chromosomes.

    prophase I, metaphase I, anaphase I, telophase I, cytokinesis, meiosis II.
    The correct order of events during meiosis is

    prophase I, metaphase I, anaphase I, telophase I, cytokinesis, meiosis II.
    prophase I, anaphase I, metaphase I, telophase I, meiosis II, cytokinesis.
    prophase I, anaphase I, telophase I, metaphase I, meiosis II.
    metaphase I, prophase I, telophase I, anaphase I, cytokinesis, meiosis II.
    metaphase I, prophase I, anaphase I, telophase I, cytokinesis, meiosis II.

    prophase I.
    During meiosis, segments of nonsister chromatids can trade places. This recombination of maternal and paternal genetic material is a key feature of meiosis. During what phase of meiosis does recombination occur?

    telophase I.
    anaphase I.
    prophase I.
    meiosis II.
    Metaphase I.

    meiosis … fertilization
    Sexual reproduction requires the cellular process of __________ followed by __________.

    mitosis … gamete formation
    mitosis … meiosis
    meiosis … fertilization
    mitosis … fertilization

    four haploid cells
    Meiosis and cytokinesis result in the formation of __________.

    four diploid cells
    four haploid cells
    two diploid cells
    two haploid cells

    It produces four haploid cells and allows exchange of genetic material between homologous chromosomes.
    The process of meiosis accomplishes which of the following?

    It provides eight haploid gametes and can eliminate chromosomes.
    It allows genetic exchange and eliminates the formation of haploid cells.
    It produces four haploid cells and allows exchange of genetic material between homologous chromosomes.
    It provides for formation of four haploid cells and reduces the need for sister chromatids.

    Meiosis results in gametes that are used in reproduction.
    Which of the following statements is correct?

    The sperm and egg have twice as many chromosomes as the parental cells.
    Asexual reproduction requires the production of eggs and sperm.
    Meiosis results in gametes that are used in reproduction.
    Geneticists use the terms “son” and “daughter” to distinguish between cells resulting from cell division.

    production of sperm and eggs.
    Ordinary cell division produces two daughter cells that are genetically identical. This type of cell division is important for all of the following functions EXCEPT

    growth of a multicellular organism.
    production of sperm and eggs.
    cell replacement.
    asexual reproduction.

    allows a haploid sperm cell to fertilize a haploid egg cell
    Sexual reproduction in humans ________.

    produces a haploid individual
    produces an individual with 23 chromosomes
    allows a haploid sperm cell to fertilize a haploid egg cell
    combines two diploid gametes, producing a zygote

    Crossing over occurs.
    Which of the following is a characteristic seen in prophase I that does NOT occur in prophase II?

    Crossing over occurs.
    Chromosomes move to the middle of the cell.
    The number of chromosomes doubles.
    Spindle formation occurs.

    mitosis produces cells genetically identical to the parent cell, but meiosis does not
    One difference between mitosis and meiosis is ________.

    mitosis requires only one parent cell, but meiosis requires two parent cells
    mitosis produces cells genetically identical to the parent cell, but meiosis does not
    mitosis produces more daughter cells for each division than meiosis
    mitosis produces haploid cells, but meiosis produces diploid cells

    What chromosomes belong to a typical human male?

    44 autosomes and two Y chromosomes
    44 autosomes, one X chromosome, and one Y chromosome
    22 autosomes and two Y chromosomes
    46 autosomes, one X chromosome, and one Y chromosome

    homologous chromosomes line up in the middle of the cell
    During metaphase I, ______.

    the nuclear envelope breaks up
    crossing over occurs
    sister chromatids separate and migrate to opposite poles
    homologous chromosomes line up in the middle of the cell

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