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7.7.5. Ққ .Ө., ұ Ұ.Ә. қ - қ ң -ққ ө. , 2012.

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- қ ң ұқ ө Mutation persistent change of genetic material
- , . () ( ) . ғ ә Mutagenic factors factors causing mutation. Distinguish natural and artificial (human-induced) mutagenic factors
, ң құ қң ө Gene mutations mutations characterising by change of structure and function of gene
ң Қ ғ қ ү қ қ қ Reparation the ability of cells to correct damages and breaks in DNA molecules  
қ - Қғ қғ ң ә Қ ң қ қ қ Exisional reparation - reparation chacterising by removing of damaged nucleotides of DNA with subsequent restoration of the normal structure of the molecule of DNA
, қғ қғ Қ қ қ Postreplicative reparation reparation of damages of DNA revealed after replication
SOS- , SOS- - Қң ө қ ғ қ SOS-reparation reparation taking place in case of numerous of damages of DNA

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