Article ID: CBB001214024

Cromossomos sexuais e determinação sexual? (2013)

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0 =Igo publicado em outubro de 1905 par Edmund Beecher Wilson (1856-1939) aqui traduzido faz pane de urn conjunto de pes-quisas citolOgicas realizadas no inicio do seculo XX. Insere-se em uma tradicio de pesquisa sobre o nadao e a organizacio dos cromos-somos durante a gametogenese, em particular neste trabalho, sabre a espermatogenese de especies de Hemiputir (Morgan, 1940). Wilson dedicou-se Embriologia experimental, sendo que urn de seus principals objetos de estudo era o que foi chamado de "organi-zacio do Ovulo", bem como a clingem em celulas-ovo ern diverns especies. Uma das suas contribuicoes mais importantes pan a Biolo-gia ern Citologia foi a serie de oito estudos sabre cromossomos pu-blicados entre 1905 e 1912. o sistema de determinacio do sexo mais conhecido é aquele no qual as gametas de machos ou femeas sio diferentes e, a pardr da combinacio de determinados cromossomos ocorrem condic6es pan o surgimento de estruturas reprodutivas dos dois sexos durante o desenvolvimento embrioner. io. Entretanto, outros mecanismos de definisio sexual existem pan os organismos: em alguns organismos a

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Authors & Contributors
Baxter, Alice Levine
Bock von Wülfingen, Bettina
Connell, Sophia M.
De Ceglia, Francesco Paolo
Deichmann, Ute
Dröscher, Ariane
Journals
History and Philosophy of the Life Sciences
Isis: International Review Devoted to the History of Science and Its Cultural Influences
Studies in History and Philosophy of Science Part C: Studies in History and Philosophy of Biological and Biomedical Sciences
Berichte zur Wissenschaftsgeschichte
Journal of the History of Biology
Llull: Revista de la Sociedad Española de Historia de las Ciencias y de las Técnicas
Publishers
Brepols
Harvard University Press
Wallstein Verlag
Concepts
Biology
Embryology
Cytology
Genetics
Reproduction
Developmental biology
People
Wilson, Edmund Beecher
Aristotle
Baer, Karl Ernst von
Boveri, Theodor
Corner, George Washington
Dalcq, Albert
Time Periods
19th century
20th century, early
20th century
18th century
20th century, late
21st century
Places
Rome (Italy)
Germany
Greece
Spain
United States
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