anomalies du sexe genetique ⭐️ Flashcards

1
Q

anomalies des gonosomes : cause : erreurs lors de ..

A

la méiose ⭐️

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2
Q

45, XO

caractéristiques ?

fréquence ?

A

syndrome de turner ⭐️⭐️
sexe féminin

✔️ovaires rudimentaires ⭐️⭐️

✔️utérus de petite taille, personne de petite taille

✔️presque tjrs fertilité

✔️syndrome de turner en mosaïque

=> 1/5000

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3
Q

47, XXX

A

féminin normal

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4
Q

45, Y0

A

DEAD 💀💀

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5
Q

47, XXY

caractéristiques ?

fréquence ?

A

syndrome de klinefelter
masculin

✔️testicules hypotrophiques

✔️troubles de la fertilité ⭐️ :
- azoospermie
- possible spermatozoides si mosaïsme

=> 1/1600

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6
Q

47, XYY

A

masculin normal

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