MUTATIILE Flashcards

(6 cards)

1
Q

Ce sunt mutatiile

A

Mutatiile sunt modificari in structura si functiile materialului genetic

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2
Q

Clasificarea mutatiilor,1- dupa mediul de aparitie sunt:

A

mut in aparare
mut artificiale aparute sub influenta omului

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3
Q

2.Dupa efectul lor mutatiile:

A

-homosexuale
-folositoare(ft putine)
-daunatoare si neutre(majoritatea)
-letale

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4
Q

3.Dupa tipul de celule afectate sunt:

A

-mut somatice care nu se transmit la descendenti
-mut gametice care se transmit ereditar.

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5
Q

4.Dupa cromozomii afectati sunt:

A

-mut autozomale, care afecteaza autozomii
-mut heterozomale care afecteaza heterozomii

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6
Q

5.Dupa cantitatea de mutatii afectati sunt:

A

-mutatii genomice afecteaza intregul material(la om- letale)
-mutatii cromozomale-afecteaza nr/structura cromozomiilor
-mut. genice- afecteaza doar gene

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