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Proposition(s) correcte(s)ADProposition(s) fausse(s)B. FAUX.l'éjection du 1er globule polaire dans la zone pellucide a lieu après l'ovulation, quand l'ovocyte 1 devient ovocyte 2 et n'est donc plus bloqué en prophase 1 au stade diplotène. L'ovocyte 2 est ensuite bloqué en métaphase 2 en attendant d'être fécondé par le spermatozoïde. Une fois fécondé, il éjecte son 2eme globule polaire toujours dans la zone pellucide.F. FAUX. L'ovocyte 2 n'est plus dans les follicules puisqu'il a été ovulé et est donc sorti du follicule mûr (De Graaf) par phénomène de déhiscence et de filance grâce aux mucopolysaccharides présents dans lecumulus oophorus.

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