Human Genetics Vocabulary Test

25 Questions | Total Attempts: 82

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Human Genetics Vocabulary Test

Welcome to the electronic science frontier of the 21st century. This vocabulary test includes topics of chromosomes, types of mutation, karyotype, sex-linked traits, and human genetics. This test allows you an unlimited number of attempts to improve learning and test-taking skills. Each attempt will generate 25 questions in random order. Good Luck!


Questions and Answers
  • 1. 
    _____ has prolonged bleeding due to ineffective blood clotting.
    • A. 

      Cystic Fibrosis

    • B. 

      Huntington's Disease

    • C. 

      Hemophila

    • D. 

      Sickle Cell Anemia

    • E. 

      Tay-Sachs Disease

  • 2. 
    _____ - cell mutations take place in an organisms body cells only.
    • A. 

      Deletion

    • B. 

      Germ

    • C. 

      Lethal

    • D. 

      Somatic

    • E. 

      Homologous

  • 3. 
    Who's lab group discovered the gene responsible for cystic fibrosis (CF)?  
  • 4. 
    Which scientist compared the frequency of crossing-over for several genes?
    • A. 

      Francis Collins

    • B. 

      Jeff Pinard

    • C. 

      Thomas Hunt Morgan

    • D. 

      Alfred H. Sturtevant

  • 5. 
    Which of the following  human traits is NOT a polygenic trait?
    • A. 

      ABO Blood type

    • B. 

      Eye Color

    • C. 

      Hair Color

    • D. 

      Height

    • E. 

      Skin Color

  • 6. 
    Which of the following sequences could result from an inversion of the sequence: GAGACATT?
    • A. 

      GAGCATT

    • B. 

      GTGACATT

    • C. 

      CTCTGATT

    • D. 

      GATACAGT

    • E. 

      CUAUGUCA

  • 7. 
    Which of the following is a point mutation that does not produce a frameshift?
    • A. 

      Deletion

    • B. 

      Insertion

    • C. 

      Inversion

    • D. 

      Lethal

    • E. 

      Substitution

  • 8. 
    When pairs of genes that tend to be inherited together are called a(n)_____ genes.
  • 9. 
    What is the genotype of blood type O?
  • 10. 
    What disorder is located on autosomal chromosome 17?
  • 11. 
    Two genes that are one map unit apart are separated by crossing-over:
    • A. 

      1% of the time

    • B. 

      20% of the time

    • C. 

      40% of the time

    • D. 

      80% of the time

    • E. 

      100% of the time

  • 12. 
    The genetic disorder _____ has a frequency among human births, 1 in 600 Jews of European descent.
    • A. 

      Breast Cancer

    • B. 

      Cystic Fibrosis

    • C. 

      Marfan

    • D. 

      Tay-Sachs

    • E. 

      Huntington's

  • 13. 
    Since the ABO blood group alleles are codominant, an individual with the genotype IA IB will have blood type?
    • A. 

      A

    • B. 

      B

    • C. 

      AB

    • D. 

      AOB

    • E. 

      O

  • 14. 
    Please identify all sex (human) chromosomes presented in the list below.
    • A. 

      X - chromosome only

    • B. 

      Y - chromosome only

    • C. 

      A and Z - chromosomes

    • D. 

      Y and Z - chromosomes

    • E. 

      A and Y are sex chromosomes

    • F. 

      X and Y are sex chromosomes

  • 15. 
    One _____ _____ is defined as a frequency of crossing-over of 1 percent. 
  • 16. 
    Mutations that can be inherited arise in:
    • A. 

      Body cells

    • B. 

      Germ Cells

    • C. 

      Skin Cells

    • D. 

      Somatic Cells

    • E. 

      Lethal Cells

  • 17. 
    Melanin is a reddish orange pigment found in the skin who attend tanning beds.
    • A. 

      True

    • B. 

      False

  • 18. 
    Long limb, loose joints, crowded teeth, deformed vertebral column and rupture of large arteries are the symptoms of what genetic disorder?  
  • 19. 
    Genes that belong to the same linkage group tend to be:
    • A. 

      Found only in males

    • B. 

      Found only in somatic cells

    • C. 

      Inherited together

    • D. 

      Found only in females

    • E. 

      Jump chromosomes

  • 20. 
    A _____ _____ mutations occur in an orgamism's gametes.
    • A. 

      Germ cell

    • B. 

      Gnathalgia cell

    • C. 

      Lymphedema cell

    • D. 

      Somatic cell

  • 21. 
    A _____ _____ is a diagram that shows the linear order of genes on a chromosome.
    • A. 

      Balanus Map

    • B. 

      Chromosome Map

    • C. 

      Gene Map

    • D. 

      Nondisjunction Map

    • E. 

      Translocation Map

  • 22. 
    A _____ is a diagram that shows how a trait is inherited over several generations. 
  • 23. 
    A trait whose expression is affected by the presence of sex hormones is said to be:
    • A. 

      Sex-influenced

    • B. 

      Sex-linked

    • C. 

      X-Linked

    • D. 

      Y-Linked

  • 24. 
    A karyotype can not be produced from Chorionic villi and amniotic fluid.
    • A. 

      True

    • B. 

      False

  • 25. 
    A Drosophila melanogaster is the scientific name for what organism?
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