Calvin Bridges

Geneticist, Academic

1889 – 1938

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Who was Calvin Bridges?

Calvin Blackman Bridges was an American scientist, known for his contributions to the field of genetics. Along with Alfred Sturtevant and H.J. Muller, Bridges was part of the famous fly room of Thomas Hunt Morgan at Columbia University.

Bridges wrote a masterful Ph.D. thesis on "Non-disjunction as proof of the chromosome theory of heredity." It appeared as the first paper in the first issue of the journal Genetics in 1916.

His work with sex linked traits in the fruit fly Drosophila melanogaster suggested that chromosomes contained genes. Later Nettie Maria Stevens was able to prove this hypothesis by examining the chromosomes of the fruit flies. Bridges wrote a couple of papers presenting the proof. He thanked her as "Miss Stevens" without stating what her contribution was nor referring to her PhD.

Bridges' best-known contribution among Drosophila researchers is his observation and documentation of the polytene chromosomes found in larval salivary gland cells. The banding patterns of these chromosomes are still used as genetic landmarks even by contemporary researchers.

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Born
Jan 11, 1889
Schuyler Falls
Religion
  • Atheism
Nationality
  • United States of America
Profession
Education
  • Columbia University
Died
Dec 27, 1938
Los Angeles

Submitted
on July 23, 2013

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