Diviziunea celulara - meioza

Quiz
•
Science
•
9th Grade
•
Hard
Gabriela Năstase
Used 42+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Meioza se caracterizeaza prin
Are rol in cresterea organismului
Numarul de cromozomi ramane constant
Numarul de cromozomi se reduce la jumatate
Are rol in formarea gametilor
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Profaza I se caracterizeaza prin
Schimbul de informatie intre cromozomii omologi
Despiralizarea cromozomilor
Imperecherea cromozomilor omologi
Cromozomii se afla in zona ecuatoriala a fusului de diviziune
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
In urmatoarea imagine:
Pe filamentele fusului se afla tetrade cromozomiale
Cromozomii sunt recombinati
Cromozomii sunt in anafaza
Cromozomii pot fi observati la microscop
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Cromozomii sunt bicromatidici in:
Anafaza I
Profaza II
Telofaza I
Metafaza II
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
In urma meiozei se formeaza:
Celule diploide
Celule haploide
Celule somatice
Gameti
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Telofaza II se deosebeste de telofaza I prin
Cromozomii ajung la polii fusului de divizine
Cromozomii sunt monocromatidici
Se formeaza invelisul nuclear
Interfazele care urmeaza sunt identice
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
In urmatoarele imagini:
Cromozomii sunt bicromatidici
Cromozomii sunt recombinati
Se dezorganizeaza membrana nucleara
Se formeaza doua celule diploide
8.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Dansul cromozomilor:
Are loc in profaza I
Consta in separarea independenta a perechilor de cromozomi omologi
Are loc in anafaza I
Reprezinta recombinarea intracromozomiala
9.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Meioza si fecundatia:
Sunt procese complementare
Celulele rezultate din meioza pot participa la fecundatie
Mentin constant nr. de cromozomi in cadrul speciei
Prin fecundatie se formeaza o celula diploida
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