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CLONAREA

CLONAREA. Clonarea la plante. Formarea de organisme pluricelulare pe cale asexuata Morcovi Celulele in mediu de cultura → morcov. Clonarea animale. Clonarea la broaste. genele se exprima total. genele se exprima partial. N. N. N. N. ou nefecundat de broasca.

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CLONAREA

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  1. CLONAREA

  2. Clonarea la plante • Formarea de organisme pluricelulare pe cale asexuata • Morcovi • Celulele in mediu de cultura → morcov

  3. Clonareaanimale

  4. Clonarea la broaste • genele se exprimatotal • genele se exprima partial N N N N ounefecundat de broasca celulaintestinala de mormoloc de broasca N

  5. Clonarea la mamifere N N N N Ovocit de oaie embrion de oaie N

  6. Oaia Dolly mediu de cultura celule v ovocit de oaieanucleat metafaza 2 Celuleembrionare mediu de cultura

  7. Fertilizarea in vitro • Obtinerea de embrioni la cupluri infertile • Se induce fertilizareapecalemedicamentoasa • Ovocitele se recolteazasi se fecundeaza cu nucleul de spermatozoid. • Oulfertilizat se introduce in uter • Se fecundeazamaimulteovocite

  8. Celulele stem (susa) • Celulele stem embrionare sunt celule care se diferentiaza in alte celule • Se pot multiplica celulele stem fara sa se diferentieze • Celulele stem pluripotente adulte se inmultesc in maduva osoasa • Trec in celule stem unipotente care se desvolta pe o linie • Celule stem din maduva ososa se introduce in ficat dezvoltandu-se celule hepatice

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