Bio 103 - Chapter 13 (2) - Pharmacgy

15 Questions | Total Attempts: 26

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Bio 103 - Chapter 13 (2) - Pharmacgy

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Questions and Answers
  • 1. 
    The human genome is minimally contained in which of the following?
    • A. 

      Every human cell

    • B. 

      Each human chromosome 

    • C. 

      The complete set of species polypeptides   

    • D. 

      The complete set of an organism’s genes 

  • 2. 
    At which stage of mitosis are chromosomes usually photographed in the preparation of a karyotype?
    • A. 

      Prophase

    • B. 

      Metaphase

    • C. 

      Anaphase

    • D. 

      Telophase

  • 3. 
    The karyotype is:
    • A. 

      A picture that display the individual chromosomes at metaphase

    • B. 

      Genotype of the individual 

    • C. 

      Blood type of the individual 

    • D. 

      Unique combination of chromosomes found in gametes 

  • 4. 
    Which of the following mechanisms contribute to the genetic variation?
    • A. 

      Independent assortment of chromosomes 

    • B. 

      Crossing over 

    • C. 

      Random fertilization 

    • D. 

      All of the above 

  • 5. 
    We see the tetrad line in the midway of the cell in which phase?
    • A. 

      Metaphase II

    • B. 

      Metaphase I

    • C. 

      Prophase I

    • D. 

      Prophase II

  • 6. 
    The two sister chromatids are called:
    • A. 

      Duplicated chromosomes 

    • B. 

      Homologous 

    • C. 

      Unduplicated chromosomes 

    • D. 

      None of the above

  • 7. 
    Homologous chromosomes move toward opposite poles of a dividing cell during:
    • A. 

      Mitosis

    • B. 

      Meiosis I

    • C. 

      Meiosis II

    • D. 

      Fertilization 

  • 8. 
    A sexual reproduction occurs in which of the following processes?
    • A. 

      Meiosis 

    • B. 

      Mitosis 

    • C. 

      Fertilization 

    • D. 

      The exchange of chromosomes between organisms of different species 

  • 9. 
    Which of the following processes facilitates the fastest way for organisms to adapt a changing environment?
    • A. 

      Mutation 

    • B. 

      Asexual reproduction 

    • C. 

      Sexual reproduction 

    • D. 

      Mitosis 

  • 10. 
    For a species with a haploid number of 23 chromosomes, how many different combinations of maternal and paternal chromosomes are possible for the gametes?
    • A. 

      23

    • B. 

      46

    • C. 

      460

    • D. 

      About 8 million

  • 11. 
    Which life stage is found in plants but not in animals?
    • A. 

      Gamete

    • B. 

      Zygote

    • C. 

      A somatic cell of a male 

    • D. 

      Multicellular haploid 

  • 12. 
    Meiosis II is similar to mitosis in that
    • A. 

      Sister chromatids separate during Anaphase 

    • B. 

      DNA replicates before the division 

    • C. 

      The daughter cells are diploid 

    • D. 

      The chromosome number is reduced 

  • 13. 
    Offsprings acquire genes from parents by inheriting chromosomes:
    • A. 

      True

    • B. 

      False

  • 14. 
    An individual that reproduces sexually gives rise to a clone 
    • A. 

      True

    • B. 

      False

  • 15. 
    Meiosis reduces the number of chromosomes sets from diploid to haploid:
    • A. 

      True

    • B. 

      False

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