Meiose Flashcards

1
Q

Definição de meiose

A

ocorre em células germinativas;2 divisões:
1 REDUCIONAL-meiose I
2 EQUACIONAL- meiose II

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2
Q

Divisão da prófase I

A

leptóteno,zigóteno,paquíteno( imp:CROSSING OVER),diplóteno e diacinese

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3
Q

Metáfase I

A

homólogos se econtram na placa equatorial;ao contrário da mitose os centrômeros NÃO se duplicam

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4
Q

Anáfase I

A

cromossomos migram para os polos

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5
Q

Telófase I

A

carioteca volta, cromossomos nos polos com 2 cromátides, ocorre a citocinese

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6
Q

MEIOSE II

A

IGUAL À MITOSE

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7
Q

OBS

A

começa com 2n- no final=4n

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