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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Ruth Sager ： ウィキペディア英語版 Ruth Sager Ruth Sager (February 7, 1918 – March 29, 1997) was an American geneticist. Sager enjoyed two scientific careers. Her first was in the 1950s and 1960s when she pioneered the field of cytoplasmic genetics by discovering transmission of genetic traits through Chloroplast DNA,〔 the first known example of genetics not involving the cell nucleus. The academic community did not acknowledge the significance of her contribution until after the second wave of feminism in the 1970s.〔Oakes, Elizabeth. ''International Encyclopedia of Women Scientists''. 2002. Facts on File.〕 Her second career began in the early 1970s and was in cancer genetics; she proposed and investigated the roles of tumor suppressor genes. ==Life== Sager was born on February 7, 1918, in Chicago, Illinois, one of three daughters of Leon B. Sager, an advertising executive, and Deborah Borovik Sager. Following Sager's birth, her mother died from the influenza epidemic of the time. Sager and her sisters, Esther and Naomi, were raised by their step mother Hannah. At 16 Sager had graduated from New Trier High school. After, she attended the University of Chicago and earned her S.B. in mammalian physiology in 1938. Following, she attended the Rutgers University and received her M.S. in plant physiology in 1938. During World War II Sager had left academia to work as a secretary and an apple farmer. Following the war Sager had received her Ph.D. in maize genetics from Columbia University under Marcus M. Rhodes. In 1944 she married Seymour Melman; in 1973 she married Arthur Pardee. She died of bladder cancer in Brookline, Massachusetts in 1997. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ruth Sager」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.