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Diviziunea celulara - meioza

Authored by Gabriela Năstase

Science

9th Grade

Used 43+ times

Diviziunea celulara - meioza
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9 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

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

Media Image

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

Media Image

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

Media Image

In urmatoarele imagini:

Cromozomii sunt bicromatidici

Cromozomii sunt recombinati

Se dezorganizeaza membrana nucleara

Se formeaza doua celule diploide

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