Nettie Stevens and Sex Determination Research
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Questions and Answers

What discovery did Nettie Stevens make regarding sex determination in animals?

  • Sex is influenced by behavioral characteristics.
  • Sex is determined by specific chromosomes. (correct)
  • Sex is determined by environmental factors.
  • Sex is dictated solely by physical traits.

    • How did Nettie Stevens conduct her research on sex determination?

  • By examining external physiological traits.
  • By studying reproductive cells under a microscope. (correct)
  • By analyzing the DNA structure of mammals.
  • Through field observations of wild insects.

    • Which chromosomes do male mealworms carry according to Nettie Stevens's findings?

  • Both X and Y chromosomes. (correct)
  • Only X chromosomes.
  • Only Y chromosomes.
  • Neither X nor Y chromosomes.

    • In what year did Nettie Stevens publish her research on sex determination?

    <p>1905</p> Signup and view all the answers

    What was the primary subject of Nettie Stevens's landmark research?

    <p>Sex determination in mealworms.</p> Signup and view all the answers

    Which notable scientist mentored Nettie Stevens during her PhD studies?

    <p>Thomas Hunt Morgan.</p> Signup and view all the answers

    What factor largely contributed to the delayed recognition of Nettie Stevens's work?

    <p>The male dominance in the scientific community of her time.</p> Signup and view all the answers

    What significant role did the Carnegie Institute play in Nettie Stevens's career?

    <p>It was the location for her post-doctoral research.</p> Signup and view all the answers

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