Nettie Stevens
American geneticist (1861–1912)
Biography
Nettie Stevens, born in Cavendish, Vermont in 1861, worked as a geneticist, zoologist, and librarian. In 1905, she observed that male mealworms produced two kinds of sperm differing in chromosome size, and that sperm carrying the larger chromosome produced female offspring while sperm carrying the smaller chromosome produced male offspring. The chromosome pair she studied became known as the X and Y chromosomes. She died on May 4, 1912.
Occupation
Nettie Stevens is recorded as a geneticist, a zoologist and a librarian, born in Vermont (1861–1912).
Connections to Vermont
Nettie Stevens was born in Cavendish, Vermont in 1861. Explore other notable figures from Vermont, historic sites connected to this era, and the full colonial and statehood history of the state using the links below.
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