Quiz  /  Genetics Quiz

  • 1. 
    How many pairs of chromosomes are found in the human body?

  • 18 pairs
  • 23 pairs
  • 21 pairs
  • 28 pairs

  • 2. 
    Gregor Mendel’s discovery of basic hereditary principles was not realized until the early 20th century. Who were the scientists who rediscovered his work?

  • Marie Curie and Irène Curie
  • Charles Darwin and Herbert Spencer
  • Francis Crick, James Watson, and Rosalind Franklin
  • Hugo de Vries, Carl Correns, and Erich Tschermak von Seysenegg

  • 3. 
    Who provided the first conclusive evidence, in 1902, that chromosomes carry the units of inheritance and occur in distinct pairs?

  • Walter Sutton
  • Barbara McClintock
  • Clarence E. McClung
  • Christiane Nüsslein-Volhard

  • 4. 
    Who first identified individual genes by studying the giant chromosomes in the salivary gland cells of fruit flies?

  • Theophilus Shickel Painter
  • John Dalton
  • Charles Atwood Kofoid
  • Maria Sibylla Merian

  • 5. 
    In 1944 which American biologist, along with Oswald T. Avery and Colin M. MacLeod, used bacteria to provide the first experimental evidence that the genetic material of living cells is composed of DNA?

  • Maclyn McCarty
  • Paul Alfred Weiss
  • Ernst Mayr
  • Frederick Sanger

  • 6. 
    Who deduced that the sex of an individual is determined by a particular chromosome?

  • Sylvia Earle
  • A.D. Hershey
  • Theodor Schwann
  • Nettie Maria Stevens

  • 7. 
    Who laid the mathematical foundation of the science of genetics?

  • Dorothy Hodgkin
  • Erich Tschermak von Seysenegg
  • Carl Correns
  • Gregor Mendel

  • 8. 
    Who laid the foundation for James Watson and Francis Crick to suggest the helical structure of DNA?

  • Alan Hodgkin
  • Rosalind Franklin
  • Peter B. Medawar
  • Lise Meitner

  • 9. 
    Which of these congenital disorders is characterized by an extra chromosome?

  • Turner syndrome
  • trisomy 13
  • Down syndrome
  • tetralogy of Fallot

  • 10. 
    Who discovered the sex-determining chromosome?

  • Clarence E. McClung
  • Gregor Mendel
  • Walter Sutton
  • Rosalind Franklin
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