Biology Chapter 6 And 7 Test

20 Questions | Total Attempts: 157

SettingsSettingsSettings
Please wait...
Biology Chapter 6 And 7 Test


Questions and Answers
  • 1. 
    What are the two major groups types of cells in your body called?
    • A. 

      Somatic Cells and Germ Cells

    • B. 

      Skin Cells and Muscle Cells

    • C. 

      Outer Cells and Inner Cells

    • D. 

      Upper Cells and Lower Cells

  • 2. 
    What is a testcross?
    • A. 

      A cross done to test the capacity of the genes

    • B. 

      Cross between organism with unknown genotype and a recessive genotype

    • C. 

      Cross between heterozygous genotype and a homozygous genotype

    • D. 

      A cross done to test Medel's theory

  • 3. 
    What is a karyotype?
    • A. 

      A type of cell

    • B. 

      Deletion of a chromosome

    • C. 

      A type of chromosome which is mutated

    • D. 

      Picture of all of the chromosomes in the cell

  • 4. 
    Researchers crossed two types of mice together, type A and type B. In the resulting offspring. half of the DNA comes from type A and half comes from type B. Why?
    • A. 

      X-Inactivation occurs with 50/50 chance in each cell

    • B. 

      The offspring get their DNA from the sperm and cytoplasm from the egg

    • C. 

      Each parent contributes one set of chromosomes to each offspring

    • D. 

      The offspring make binary divisions during developement

  • 5. 
    In peas, the gene for green pod color (G) is dominant to the gene for yellow pod color (g). If a heterozygous plant (Gg) is crossed with another heterozygous plant (Gg), what phenotype and genotype will likely be the most common among the offspring?
    • A. 

      Yellow (gg)

    • B. 

      Green (Gg)

    • C. 

      Green (GG)

    • D. 

      Green (GgYy)

  • 6. 
    A scientist studying two traits in mice knows that each trait is determined by one gene and that both genes are on the same chromosome. If the two traits are not always inherited together by the offspring of the mice, what must be true?
    • A. 

      The sister chromatids are inlinked

    • B. 

      The genes are not near the centromere

    • C. 

      The genes are far enough apart to allow crossing over

    • D. 

      The genes must be on different arms of the chromosome

  • 7. 
    The different colors seen on calico cats are examples of...
    • A. 

      Meiosis

    • B. 

      Polygenic Traits

    • C. 

      Gametogenesis

    • D. 

      X-Chromosome Inactivation

  • 8. 
    A blue eyed parent, named Bob, marries a green eyed parent, named Bobelina, and all of the offspring were blue eyed. Two of the blue eyed children married each other and had one child with green eyes and three children with blue eyes. What was the genotype of Bob?
    • A. 

      Bb

    • B. 

      BB

    • C. 

      Bb

    • D. 

      BBbb

  • 9. 
    How many inner squares does the dihybrid punnet square have?
    • A. 

      9

    • B. 

      10

    • C. 

      21

    • D. 

      16

  • 10. 
    Which of the following scientists worked with fruit flies?
    • A. 

      Thomas Hunt Morgan

    • B. 

      R.C. Punnet

    • C. 

      William Bateson

    • D. 

      Gregor Mendel

  • 11. 
    Males can be carriers of sex linked disorders.
    • A. 

      True

    • B. 

      False

  • 12. 
    Traits produced by two or more genes are called Epistasis.
    • A. 

      True

    • B. 

      False

  • 13. 
    Males have a higher chance of inheriting sex linked disorders.
    • A. 

      True

    • B. 

      False

  • 14. 
    It is called incomplete dominance when both traits are fully and separately expressed.
    • A. 

      True

    • B. 

      False

  • 15. 
    If an allele is recessive to one allele, it can be dominant to another allele.
    • A. 

      True

    • B. 

      False

  • 16. 
    A ________ does not show the symptoms, but can pass on the disease-causing allele to the offspring.
  • 17. 
    A ________ is a cross between an organism with an unknown genotype and an organism with the recessive phenotype.
  • 18. 
    A __________ is a type of chart that can help trace the phenotypes and genotypes in a family to determine whether people carry recessive alleles.
  • 19. 
    Which of the following is part of the "Law of Segregation"? (There may be more than one).
    • A. 

      Organisms inherit two copies of a gene, one from each parent

    • B. 

      Allele pairs separate independently of each other during meiosis

    • C. 

      The crossing over of genes is not determined by its size or color

    • D. 

      Organisms donate only one gene in their gametes

Back to Top Back to top