Genetic recombination

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Genetic recombination isprocess by whichcombinationgenesan organism's offspring becomes different fromcombinationgenesthat organism. This definitioncommonly usedclassical genetics, evolutionary biology,population genetics.

However,molecular biology, recombination generally refers tomolecular process by which two genes inlinkage group can become separated. One consequencethis mechanismchromosomal crossing over, but recombination can also occur at homologous sites within one DNA molecule. Enzymes called recombinases catalyze this reaction.