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Transgenic Relatives

... gene transfer is most important to the microbial world. In these organisms there is no process of sexual reproduction typical of higher organisms. In this connection, horizontal transfer for them has been one of the main ways to increase and modify genetic information. In this sense, the classical definition of species is not appropriate for archaea and bacteria because of the high plasticity of their genomes and because of the presence of a large ‘exchange’ gene pool. As organisms have become more complicated during vertical evolution, barriers to horizontal gene transfer have emerged and developed....

Modified: 30.09.2004
genome , DNA , gene transfer , genetic information , human , bacteria , evolution
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