Meiosis And Sexual Life Cycles

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| By Talphonse
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Talphonse
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Questions: 10 | Attempts: 756

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Meiosis Quizzes & Trivia

Answer the following questions.


Questions and Answers
  • 1. 

    Where do we inherit our genes?

    • A.

      Inanimate objects

    • B.

      Books

    • C.

      Television

    • D.

      Parents

    • E.

      Atmosphere

    Correct Answer
    D. Parents
    Explanation
    We inherit our genes from our parents. Genes are the units of heredity that are passed down from one generation to the next. They contain the instructions for building and maintaining our bodies and determine our traits and characteristics. When a baby is conceived, they receive half of their genetic material from their biological mother and half from their biological father. This genetic information is carried in the sperm and egg cells, which combine during fertilization to create a unique individual with a combination of traits inherited from both parents.

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  • 2. 

    When does fertilization occur?

    • A.

      When gametes fuse

    • B.

      When chromosomes break off

    • C.

      When the female excretes wastes

    • D.

      During period 2

    • E.

      After chromosomes split

    Correct Answer
    A. When gametes fuse
    Explanation
    Fertilization occurs when gametes fuse. Gametes are the reproductive cells, such as sperm and egg, and fusion refers to their union to form a zygote. This process is essential for sexual reproduction and the formation of a new individual.

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  • 3. 

    how many chromosomes do humans have?

    • A.

      22

    • B.

      16

    • C.

      32

    • D.

      12

    • E.

      23

    Correct Answer
    E. 23
    Explanation
    Humans have 23 pairs of chromosomes. Each pair consists of one chromosome inherited from the mother and one from the father, resulting in a total of 46 chromosomes. These chromosomes contain DNA, which carries the genetic information that determines various traits and characteristics in humans. Therefore, the correct answer is 23.

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  • 4. 

    What is a possible reason for a genetic difference?

    • A.

      Asexual reproduction

    • B.

      Cloning

    • C.

      Mutation

    • D.

      Budding

    • E.

      Fission

    Correct Answer
    C. Mutation
    Explanation
    A possible reason for a genetic difference is mutation. Mutations are changes in the DNA sequence that can occur spontaneously or due to external factors such as radiation or chemicals. These changes can alter the genetic information and lead to variations in traits and characteristics. Mutations can be beneficial, harmful, or have no significant effect on an organism. Over time, accumulated mutations can contribute to genetic diversity within a population and drive evolution.

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  • 5. 

    How many daughter haploid cells does meiosis produce?

    • A.

      3

    • B.

      4

    • C.

      2

    • D.

      5

    • E.

      1

    Correct Answer
    B. 4
    Explanation
    Meiosis is a type of cell division that produces haploid cells, which have half the number of chromosomes as the parent cell. In meiosis, there are two rounds of division: meiosis I and meiosis II. During meiosis I, the number of chromosomes is reduced by half, resulting in two daughter cells. These daughter cells then undergo meiosis II, where each cell divides again, resulting in a total of four daughter haploid cells. Therefore, the correct answer is 4.

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  • 6. 

    What are the 3 distinct differences between meiosis and mitosis?

    Correct Answer
    Explanation
    Meiosis and mitosis are both types of cell division, but they differ in several key ways. Firstly, meiosis only occurs in reproductive cells, while mitosis occurs in all types of cells. Secondly, meiosis involves two rounds of division, resulting in four daughter cells with half the number of chromosomes as the parent cell, while mitosis involves one round of division, resulting in two daughter cells with the same number of chromosomes as the parent cell. Lastly, meiosis is responsible for genetic diversity as it involves crossing over and independent assortment, while mitosis produces genetically identical daughter cells.

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  • 7. 

    What is a zygote?

    Correct Answer
    the result of a sperm and an egg fused together.
    Explanation
    A zygote is formed when a sperm cell fertilizes an egg cell, resulting in the fusion of their genetic material. This single-celled organism marks the beginning of a new individual's development. During the process of fertilization, the genetic information from both parents combines to form a unique set of DNA that will determine the characteristics and traits of the offspring.

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  • 8. 

      §Events of sexual reproduction that lead to genetic variation are:

    Correct Answer
    independent assortment of chromosomes during meiosis crossing over during meiosis I random fertilization of egg cells by sperm
    Explanation
    During sexual reproduction, genetic variation is introduced through various events. Independent assortment of chromosomes during meiosis refers to the random alignment and separation of homologous chromosomes, resulting in different combinations of maternal and paternal chromosomes in the gametes. Crossing over during meiosis I involves the exchange of genetic material between homologous chromosomes, further increasing genetic diversity. Random fertilization of egg cells by sperm means that any sperm can fertilize any egg, leading to different combinations of genetic material from the parents. These events together contribute to genetic variation in offspring.

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  • 9. 

    When does a zygote develope?

    Correct Answer
    during mitosis
    Explanation
    A zygote develops during mitosis. Mitosis is a type of cell division that occurs in the zygote, resulting in the formation of two identical daughter cells. This process allows the zygote to grow and develop into a multicellular organism. Mitosis is characterized by the replication and division of the genetic material, ensuring that each daughter cell receives a complete set of chromosomes. Therefore, the zygote's development occurs through the process of mitosis.

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  • 10. 

    What does the letter n represent?

    Correct Answer
    the diploid number
    Explanation
    The letter "n" represents the diploid number. In genetics, the diploid number refers to the number of chromosomes present in a cell or organism. Diploid cells have two sets of chromosomes, one inherited from each parent. The letter "n" is commonly used to symbolize the number of chromosomes in a single set. Therefore, in this context, "n" represents the diploid number.

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  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 27, 2009
    Quiz Created by
    Talphonse
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