Article ID: CBB001214024

Cromossomos sexuais e determinação sexual? (2013)

unapi

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
Lowe, James W. E.
Churchill, F. B.
Wülfingen, Bettina Bock v.
Wellmann, Janina
Weizmann, Fredric
Volpone, Alessandro
Journals
History and Philosophy of the Life Sciences
Studies in History and Philosophy of Science Part C: Studies in History and Philosophy of Biological and Biomedical Sciences
Studies in History and Philosophy of Science
Revue d'Histoire des Sciences
Physis: Rivista Internazionale di Storia della Scienza
Perspectives in Biology and Medicine
Publishers
Wallstein Verlag
L'Erma di Bretschneider
Harvard University Press
Brepols
Concepts
Biology
Embryology
Cytology
Reproduction
Genetics
Cellular biology
People
Wilson, Edmund Beecher
Lodewijk Bolk
Paolo Della Valle
Weismann, August
Stahl, Georg Ernst
Schwann, Theodor
Time Periods
20th century, early
19th century
20th century
20th century, late
18th century
Ancient
Places
United States
Netherlands
Greece
Germany
Rome (Italy)
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