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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. Her second career began in the early 1970s and was in cancer genetics; she proposed and investigated the roles of tumor suppressor genes.

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  • روث سيجر (ar)
  • Ruth Sager (de)
  • Ruth Sager (fr)
  • Ruth Sager (en)
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  • روث سيجر (بالإنجليزية: Ruth Sager)‏ (7 فبراير 1918 - 29 مارس 1997) هي عالمة وراثة أمريكية. عملت سيجر ضمن مهنتين علميتين. في الخمسينيات والستينيات من القرن العشرين بدأت عملها الأول، إذ كانت رائدة في مجال علم الوراثة السيتوبلازمية من خلال اكتشاف انتقال الصفات الوراثية من خلال الحمض النووي للبلاستيدات الخضراء، وهو أول مثال معروف لعلم الوراثة لا يشمل نواة الخلية. لم يعترف المجتمع الأكاديمي بأهمية مساهمتها إلا بعد الموجة النسوية الثانية في سبعينيات القرن العشرين. بدأت مشوارها المهني الثاني في أوائل سبعينيات القرن العشرين، وكانت في علم وراثة مرض السرطان. وقد اقترحت أدوار الجينات الكابتة للورم وبحثت فيها. (ar)
  • Ruth Sager (* 7. Februar 1918 in Chicago, Illinois, USA; † 29. März 1997 in Brookline (Massachusetts), USA) war eine US-amerikanische Genetikerin und Hochschullehrerin. (de)
  • Ruth Sager (Chicago, Illinois, 7 février 1918 - Brookline, Massachusetts, 29 mars 1997) est une généticienne américaine. Elle ouvrit la recherche en génétique cytoplasmique. Elle effectua également des recherches en génétique du cancer en étudiant le rôle des gènes suppresseurs de tumeur. (fr)
  • 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. Her second career began in the early 1970s and was in cancer genetics; she proposed and investigated the roles of tumor suppressor genes. (en)
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  • Ruth Sager (en)
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  • Ruth Sager (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Ruth_Sager_yearbook.jpg
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