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Unformatted text preview: differentiation (for example immunoglobulins, the important antibodies of the immune system). DNA molecules recombine by breaking and rejoining . In other words, phosphodiester bonds are broken and rejoined. How can two double-stranded DNA molecules break exactly at the same sites so that no mutations occur? (otherwise there would be a gain of nucleotides for one DNA molecule and loss for the other). Because of Homologous Recombination (recombination between DNA molecules with complementary sequences)...
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- Fall '10