Cp Bio 2 Final Exam Review 1 (2013)

25 Questions | Total Attempts: 214

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Cp Bio 2 Final Exam Review 1 (2013)

Questions and Answers
  • 1. 
    If a pea plant were homozygous recessive for height, how would its alleles be represented?
    • A. 

      Tt

    • B. 

      TT

    • C. 

      Tt

    • D. 

      TT

  • 2. 
    When an organism has two alleles at a particular locus that are different, the organism is called
    • A. 

      Purebred

    • B. 

      Dominant

    • C. 

      Heterozygous

    • D. 

      Recessive

  • 3. 
    Hair color and eye color are examples of a person's
    • A. 

      Recessive traits.

    • B. 

      Dominant alleles.

    • C. 

      Genotype.

    • D. 

      Phenotype.

  • 4. 
    Mendel's second law of genetics, the law of independent assortment, is one explanation of the
    • A. 

      Random fertilization of gametes.

    • B. 

      Genetic variation within species.

    • C. 

      Greater strength of dominant alleles.

    • D. 

      Final stages of gametogenesis.

  • 5. 
    Any of the alternative forms of a gene that occurs at a specific place on a chromosome are known as ___.
    • A. 

      Alleles

    • B. 

      Genes

    • C. 

      Chromosomes

    • D. 

      Recessive traits

  • 6. 
    A chart or "family tree" that tracks which members of a family have a particular trait is called a ___.
    • A. 

      Pedigree

    • B. 

      Punnett square

    • C. 

      Genetic linkage

    • D. 

      DNA sequence

  • 7. 
    ___ studied traits of pea plants and discovered the two fundamental laws of genetics.
    • A. 

      Mendel

    • B. 

      Watson and Crick

    • C. 

      Mack

    • D. 

      Einstein

  • 8. 
    ___ is a pattern of inheritance in which the gene for a trait is located on the X-chromosome, thereby creating disorders that are much more common in males than females.
    • A. 

      Incomplete dominance

    • B. 

      Co-dominance

    • C. 

      Multiple allele

    • D. 

      Sex-linked

  • 9. 
    In humans, a ___ cell has ___ chromosomes.
    • A. 

      Haploid ... 46

    • B. 

      Haploid ... 23

    • C. 

      Diploid ... 50

    • D. 

      Diploid ... 23

  • 10. 
    A form of nuclear division that divides a diploid cell into haploid cells and produces gametes is known as ___.
    • A. 

      Mitosis

    • B. 

      Meiosis

    • C. 

      Cellular regeneration

    • D. 

      Binary fission

  • 11. 
    A cell that has two copies of each chromosome is said to be ___.
    • A. 

      Diploid

    • B. 

      Haploid

    • C. 

      Triploid

    • D. 

      A gamete

  • 12. 
    A female gamete ___.
    • A. 

      Is produced in the testes.

    • B. 

      Is called an ovum or an egg cell.

    • C. 

      Is called a spermatocyte.

    • D. 

      Is called a polar body.

  • 13. 
    A(n) ___ involves the insertion or deletion of a single base in a DNA molecule.
    • A. 

      Frameshift mutation

    • B. 

      Point mutation

    • C. 

      Translocation

    • D. 

      Mutagen

  • 14. 
    Each set of three nucleotides on mRNA coding for an amino acid is referred to as a(n) ___.
    • A. 

      Codon

    • B. 

      Anticodon

    • C. 

      Ribosome

    • D. 

      Base pair

  • 15. 
    Messenger RNA is formed in the process of ___.
    • A. 

      Transcription

    • B. 

      Translation

    • C. 

      Replication

    • D. 

      Mutation

  • 16. 
    The process by which a DNA molecule is copied is ___.
    • A. 

      Transcription

    • B. 

      Translation

    • C. 

      Replication

    • D. 

      Mutation

  • 17. 
    Watson and Crick, with the help of Rosalind Franklin, were the first to suggest that DNA is ___.
    • A. 

      A short molecule

    • B. 

      A protein molecule

    • C. 

      The shape of a double helix

    • D. 

      The genetic material

  • 18. 
    Which DNA sequence produced an mRNA strand with the sequence AGUACA?
    • A. 

      UCAUGU

    • B. 

      TCATGT

    • C. 

      GUACAG

    • D. 

      CAGTAC

  • 19. 
    Which of the following is a pair of complementary bases?
    • A. 

      Cytosine and cytosine

    • B. 

      Thymine and adenine

    • C. 

      Adenine and guanine

    • D. 

      Thymine and ctyosine

  • 20. 
    There are literally hundreds of thousands of different organic molecules. Which statement best explains how this is possible?
    • A. 

      Elements can make an unlimited number of chemical bonds.

    • B. 

      Carbon is unique in that it can make four chemical bonds.

    • C. 

      Carbon can make twenty bonds to other carbon atoms.

    • D. 

      Organic molecules are acidic.

  • 21. 
    Organic compounds always contain the element ____.
    • A. 

      Carbon

    • B. 

      Nitrogen

    • C. 

      Oxygen

    • D. 

      Organium

  • 22. 
    Which of the following is NOT a characteristic of RNA?
    • A. 

      It contains uracil.

    • B. 

      It contains thymine.

    • C. 

      It is made of only one strand.

    • D. 

      It transfers genes to the ribosome.

  • 23. 
    Which of the following describes DNA?
    • A. 

      It contains uracil.

    • B. 

      It contains the sugar ribose.

    • C. 

      It controls the production of proteins.

    • D. 

      It is made of amino acids.

  • 24. 
    The functional group -NH2 is called the ____.
    • A. 

      Amino group

    • B. 

      Acid group

    • C. 

      Hydroxide group

    • D. 

      Fatty acid

  • 25. 
    Which of the following is a structural form of carbohydrate?
    • A. 

      Cellulose

    • B. 

      Starch

    • C. 

      Enzyme

    • D. 

      RNA

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