Similarities And Differences Between Mitosis And Meiosis

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| By Csummo123
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    How many divisions does a cell go through when doing meiosis?

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Similarities And Differences Between Mitosis And Meiosis - Quiz

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  • 2. 

    The exchange of segments between chromotids in a homologous chromosome pair is...

    Explanation
    Crossing over refers to the exchange of segments between homologous chromosomes during meiosis. This process occurs during prophase I, when the homologous chromosomes pair up and form a tetrad. Crossing over increases genetic diversity by shuffling genetic material between chromosomes. It results in the exchange of alleles and leads to the production of genetically unique gametes.

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  • 3. 

    How does crossing over allow for more genetic variation?

    • It can create mixed chromosomes in the gametes (each homologous chromosome in the gametes can have alleles from BOTH parents)

    • It has more vaired genes and alleles

    • Idk

    • Asjdknmfak;lfdgmn,;kdlsfj

    Correct Answer
    A. It can create mixed chromosomes in the gametes (each homologous chromosome in the gametes can have alleles from BOTH parents)
    Explanation
    Crossing over allows for more genetic variation because it involves the exchange of genetic material between homologous chromosomes during meiosis. This process leads to the creation of mixed chromosomes in the gametes, where each homologous chromosome can have alleles from both parents. This mixing of genetic material increases the diversity of the offspring's genetic makeup, allowing for a wider range of possible traits and characteristics.

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  • 4. 

    Meiosis is one division with 2 cells at the end

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Meiosis is a type of cell division that results in the formation of four daughter cells, each with half the number of chromosomes as the parent cell. Therefore, the given statement that meiosis is one division with 2 cells at the end is incorrect. Meiosis consists of two divisions, known as meiosis I and meiosis II, which together result in the formation of four cells.

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  • 5. 

    This concept (this exact definition) is on the midterm.   A gene is the instructions for making a protein (that gives you a trait)

    • True

    • False

    Correct Answer
    A. True
    Explanation
    A gene is indeed the set of instructions that determine the synthesis of a specific protein, which in turn contributes to the development of a particular trait. These instructions are encoded in the DNA molecule and are passed from parents to offspring. The concept of a gene and its role in protein synthesis is fundamental in genetics and is commonly covered in introductory biology courses, making it likely to appear on a midterm exam.

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  • 6. 

    Synapsis is when homologous chromosomes pair up to form a tetrad

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Synapsis is the process during meiosis where homologous chromosomes come together and pair up to form a structure called a tetrad. This allows for the exchange of genetic material between the homologous chromosomes, leading to genetic diversity. Therefore, the statement that synapsis is when homologous chromosomes pair up to form a tetrad is true.

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  • 7. 

    We do mitosis to grow only

    • True

    • False

    Correct Answer
    A. False
    Explanation
    we do mitosis to grow, AND heal, AND asexually reproduce (well organisms that do asexual reproducing)

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  • 8. 

    Some causes of cancer are

    • Viruses

    • Mutations in DNA

    • Inherited genes

    • All of the above

    • None of the above

    Correct Answer
    A. All of the above
    Explanation
    The correct answer is "all of the above" because cancer can be caused by various factors, including viruses, mutations in DNA, and inherited genes. Viruses such as human papillomavirus (HPV), hepatitis B and C, and human immunodeficiency virus (HIV) can lead to certain types of cancer. Mutations in DNA can occur due to exposure to carcinogens, radiation, or errors during DNA replication, which can result in uncontrolled cell growth and the development of cancer. Additionally, certain inherited gene mutations, such as BRCA1 and BRCA2, can increase the risk of developing certain types of cancer.

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  • 9. 

    What are the steps (in order) of mitosis?

    Correct Answer
    prophase, metaphase, anaphase, telephase
    Explanation
    interphase is NOT part of mitosis, it is before mitosis happens. These steps are actually mitosis happening

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  • 10. 

    Cancer is...

    Correct Answer
    out of control mitosis
    mitosis that is out of control
    Explanation
    The term "cancer" refers to a condition where cells divide and multiply uncontrollably. This uncontrolled cell division is known as mitosis. Therefore, the answer "out of control mitosis" or "mitosis that is out of control" accurately describes the process of cancer.

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  • 11. 

    When does crossing over happen? (start off your answer with "during...."

    Correct Answer
    during prophase 1 or metaphase 1
    during metaphase 1 or prophase 1
    during metaphase I or prophase I
    during prophase I or metaphase I
    Explanation
    During meiosis, crossing over occurs during prophase I. This is the stage where homologous chromosomes pair up and exchange genetic material, resulting in genetic recombination. Metaphase I follows prophase I and is the stage where the paired homologous chromosomes line up at the center of the cell. Therefore, crossing over can also occur during metaphase I, although it is primarily associated with prophase I.

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  • 12. 

    Do YOU think you did well on this??

    • Yes

    • No

    • Idk give me my results!

    Correct Answer(s)
    A. Yes
    A. No
    A. Idk give me my results!
    Explanation
    The correct answer is "yes,no,idk give me my results!" because it encompasses all possible responses to the question "Do YOU think you did well on this?" The options "yes," "no," and "idk" cover the range of possible opinions or uncertainty one may have about their performance. Additionally, the phrase "give me my results!" suggests that the person is eager to know their performance outcome.

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  • Current Version
  • May 29, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 16, 2012
    Quiz Created by
    Csummo123
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