Mejoza I Stvaranje Gameta Flashcards

1
Q

Mejoza

A

Dioba kojom nastaju spolne stanice u spolnim zlijezdama

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2
Q

Mjoza 1 i 2

A

1 redukcijska
2 slicna mitozi

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3
Q

Profaza 1

A

Sparivanje homolognih kromosoma
Krosing over
Zapocinje oblikovanje diobenog vretena

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4
Q

Metafaza 1

A

Smhestaj bivalwnata u ekvatorijalnu ravninu

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5
Q

Anafaza 1

A

Razdvajanje homolognih kromosoma i putuju na suprotne polove stanice
Redukcija broja kromosoma u stanicama koje ce nastati nakon mejoze 1

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6
Q

telefaza 1

A

oblikovanje jezgra s polovicnim brojem kromosoma
cintokineza
kromosomi na kraju mejoze 1 su dvostruki imaju dvije kromatide

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7
Q

profaza 2

A

kromosomi se spiraliziraju

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8
Q

metafaza 2

A

rekombinirani dvostruki kromosomi ravniraju se prema ekvatorijalnoj ravnini

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9
Q

anafaza 2

A

razdvajanje kromatida i putuju prema suprotnim polovima

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10
Q

telofaza 2

A

razmatanje kromosoma i oblikovanje jezgrinih ovojnica
u novo nastalim stanicama je haploidan broj jednostrukih kromosoma

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11
Q

gematogeneza

A

proces stvaranja spolnih stanica

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12
Q

bioloska vaznost mejoze

A

genska raznolikost populacije

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