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Mutatii

Authored by Doina Lavric

Biology

9th Grade

Used 39+ times

Mutatii
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Mutatiile sunt modificari programate in structura ADN.

Adevarat

Fals

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Mutatiile genomice:

Schimba succesiunea unui numar mic de perechi de nucleotide

Modifica numarul total de cromozomi

Schimba pozitia unor fragmente cromozomale

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Mutatiile care schimba succesiunea unui numar mic de perechi de nucleotide se numesc:

Cromozomiale

Genomice

Genice

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Variablitatea unei populatii este crescuta de:

Mutatiile letale

Mutatiile indiferente

Mutatiile avantajoase

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Din categoria agentilor mutageni fizici fac parte:

Cofeina

Radiatiile ionizante

Agentii alkilanti

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Antibioticele sunt agenti mutageni:

Biologici

Fizici

Chimici

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Prin iradierea repetata a plantelor s-a reusit:

Aparitia rezistentei la rugina la piersic

Aparitia rezistentei la patare a frunzelor de alun

Obtinerea a peste 300 de noi soiuri de plante ornamentale

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