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Proposition(s) correcte(s)ABDEProposition(s) fausse(s)C : FAUX, les spermatogonies Ap constituent le pool de renouvellement alors que les spermatogonies Ad constituent le pool de réserve. Concernant les cellules souches, on a une prolifération des cellules germinales primordiales (spermatogonies) par mitose, puis se transforment en gonocytes(cellules embryonnaires sexuelles diploïdes) et deviennent les spermatogonies souches, qui elles-mêmes donnent les spermatogonies A et spermatogonies B. (qui se divisent par mitose). Spermatogonie A :Ad ou AO (dark, chromatine granulaire foncée), souches, renouvellement en Ap et assurent Ia réservent en Ad également. Ap (chromatine fine, dispersée et claire, poussière), se divisent par mitose en donnant les spermatogonies B.
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