Download - Meiose
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BIOLOGIABIOLOGIA
Prof. Magali Feldmann Piovezan
Universidade do Vale do Itajaí
AULA 01AULA 01
CAU
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MEIOSEMEIOSEMeiose uma divisão celular
em que ocorre uma duplicação cromossômica seguida de duas divisões celulares consecutivas:
Meiose I e a meiose II.
Formando em seu final
4 novas células, diferentes entre si e da célula mãe.
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ONDE E QUANDO OCORRE A MEIOSE:
- MEIOSE GAMÉTICA -
Nos animais ocorre nas gônodas para a formação dos gametas.
. Alguns fungos protozoários e algas ocorre no zigoto. - MEIOSE ESPÓRICA -. Em certas algas e em todas as plantas o individuo diplóide faz meiose e forma esporos.
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MEIOSE I / PRÓFASE I
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