06 - "There is no such thing as a monogenic trait,...

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MCB140 2-4-08 1 “There is no such thing as a monogenic trait, right? In other words, Mendel's studied traits that were not monogenic, right?”
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MCB140 2-4-08 2 “May 1910 was when the revolution began. Morgan found a white-eyed male running around in one bottle.”
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Nettie Stevens, discoverer of the sex chromosomes Nettie Stevens was one of the first female scientists to make a name for herself in the biological sciences. She was born in Cavendish, Vermont. Her family settled in Westford, Vermont. Stevens' father was a carpenter and handyman. He did well enough to own quite a bit of Westford property, and could afford to send his children to school. Stevens was a brilliant student, consistently scoring the highest in her classes. In 1896, Stevens went to California to attend Leland Stanford University. She graduated with a masters in biology. Her thesis involved a lot of microscopic work and precise, careful detailing of new species of marine life. This training was a factor in her success with later investigations of chromosomal behavior. After Stanford, Stevens went to Bryn Mawr College for more graduate work. Thomas Hunt Morgan was still teaching at Bryn Mawr, and was one of her professors. Stevens again did so well that she was awarded a fellowship to study abroad. She traveled to Europe and spent time in Theodor Boveri's lab at the Zoological Institute at Wurzburg, Germany. Boveri was working on the problem of the role of chromosomes in heredity. Stevens likely developed an interest in the subject from her stay. In 1903, Stevens got her Ph.D. from Bryn Mawr, and started looking for a research position. She was eventually given an assistantship by the Carnegie Institute after glowing recommendations from Thomas Hunt Morgan, Edmund Wilson and M. Carey Thomas, the president of Bryn Mawr. Her work on sex determination was published as a Carnegie Institute report
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06 - "There is no such thing as a monogenic trait,...

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