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Da o y reparaci n del DNA

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Da o y reparaci n del DNA

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    1. Dao y reparacin del DNA

    2. Dao al DNA Cambios en la secuencia debidos a: Errores en la replicacin.(Dna pol) Agentes del ambiente Mutgenos qumicos Radiaciones

    3. Si los cambios no son reparados Las clulas en proliferacin o quiescentes acumularan tantas mutaciones que moriran. En las clulas de la lnea germinal pueden encontrarse mutaciones y estas se expresarn en la progenie.

    4. Cncer Es una serie de enfermedades que tiene como caracterstica Carcingenos, si el dao que causan frecuentemente lleva a desarrollar cncer.

    5. Lesiones del DNA

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