What is the advantage of genetic recombination as a mode of reproduction in bacteria?

Asked by maham237 @ 27/12/2020 in Biology viewed by 439 People

What is the advantage of genetic recombination as a mode of reproduction in bacteria?
less time finding other bacteria

higher rates of reproduction

more susceptibility to antibiotics

greater genetic variation

Answered by maham237 @ 27/12/2020

Bacterial genetic recombination is characterized by DNA transfer from one organism called donor to another organism as the recipient and the result is the production of genetic recombinants, individuals. Those recombinant bacteria have a greater genetic variation because they carry, not only the genes they inherited from their parent cells but also the genes introduced to their genomes. There are three types of mechanisms that create genetic variations in bacteria (through recombination):

1. Transformation-that occurs when bacterium takes up a piece of DNA floating in its environment,

2. Transduction-occurs when DNA is accidentally moved from one bacterium to another by a virus (bacteriophage) and

3. Conjugation- when DNA is transferred from one bacteria to another through a tube between cells.

Those mechanisms of genetic recombination together with short generation time and random mutations allow bacteria to evolve very quickly and for example, create resistance to antibiotics.

What is the advantage of genetic recombination as a mode of reproduction in bacteria?

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