Thomas Hunt Morgan and Genetics
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Questions and Answers

Which achievement marked the start of Thomas Hunt Morgan's significant work on the heredity of fruit flies?

  • His tenure as head of Biology at Caltech
  • His receipt of the Nobel Prize in 1933
  • His appointment at Bryn Mawr College
  • His establishment of the 'Fly Room' in 1908 (correct)
  • In what year did Thomas Hunt Morgan publish his groundbreaking text on heredity governed by Mendel's laws?

  • 1910
  • 1925
  • 1933
  • 1915 (correct)
  • What was the field of Morgan's early experimental research after earning his PhD?

  • Plant breeding
  • Human genetics
  • Experimental embryology (correct)
  • Marine biology
  • What did Morgan's experiments with fruit flies primarily confirm?

    <p>Mendel's concept of genetic inheritance particles (C)</p> Signup and view all the answers

    What initial career position did Morgan hold that combined teaching and experimental research?

    <p>Associate professor of biology at Bryn Mawr College (B)</p> Signup and view all the answers

    What specific award did Thomas Hunt Morgan receive for his work on inherited characteristics?

    <p>Nobel Prize in Physiology or Medicine (A)</p> Signup and view all the answers

    Which of these universities did Morgan join in 1904, marking a shift into more experimental research?

    <p>Columbia University (C)</p> Signup and view all the answers

    What year did Morgan become the head of Biology at Caltech?

    <p>1928 (C)</p> Signup and view all the answers

    What was the main focus of Morgan's studies using fruit flies?

    <p>Genetic inheritance (D)</p> Signup and view all the answers

    Where did Thomas Hunt Morgan earn his PhD in zoology?

    <p>Johns Hopkins University (A)</p> Signup and view all the answers

    Flashcards

    Thomas Hunt Morgan

    A US geneticist known for his work on heredity.

    Nobel Prize

    An award given for significant contributions in various fields.

    Fruit flies

    Organisms used by Morgan in heredity experiments.

    Gregor Mendel

    The father of genetics who proposed the concept of inheritance.

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    Hereditary particles

    Tiny elements that carry traits from parents to offspring.

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    The Fly Room

    The lab where Morgan conducted fruit fly experiments.

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    Embryology research

    Study of embryos to understand development.

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    Mendel's laws

    Fundamental principles of inheritance established by Mendel.

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    Caltech

    California Institute of Technology, where Morgan was head of Biology.

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    Nobel Prize in Physiology or Medicine

    Awarded to Morgan for his contributions to genetics.

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    Study Notes

    Thomas Hunt Morgan

    • Won a Nobel Prize for work on heredity
    • Confirmed the role of chromosomes
    • Laid groundwork for modern genetics

    Early Life and Education

    • Born in 1866 in Kentucky
    • Wealthy family background
    • Early interest in natural world
    • Studied at University of Kentucky
    • Earned PhD in zoology at Johns Hopkins
    • Became associate professor at Bryn Mawr

    Work at Columbia

    • Moved to Columbia in 1904
    • Took position as experimental zoology professor
    • Investigated heredity
    • Studied inherited characteristics in fruit flies
    • Developed landmark text about heredity according to Mendel's laws (1915)

    Fruit Flies (Drosophila melanogaster)

    • Bred millions of fruit flies
    • Ideal for studying inheritance
    • Short generation time (around 10 days)
    • Allowed detailed observations of traits

    Inheritance

    • Studied how inherited characteristics are passed down
    • Built on Gregor Mendel's work
    • Confirmed the existence of particles passed down between generations
    • Disproved some pre-existing ideas

    Later Career

    • Became head of biological research at Caltech (1928)
    • Established marine biology research unit
    • Received Nobel Prize in Physiology or Medicine (1933)

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    Description

    Explore the life and achievements of Thomas Hunt Morgan, a pioneer in genetics who won a Nobel Prize for his research on heredity and chromosomes. Learn about his early life, education, and groundbreaking experiments with fruit flies that led to significant contributions in modern genetics.

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