Recombination entails the exchange of a DNA section between two chromosomes or between two chromatids of a single chromosome. The actual mechanism of recombination is, in fact, far more complicated and includes, amongst other things, also synthesis of a new DNA chain and degradation of parts of the older chains. Recombination takes place primarily during meoisis and, less frequently, also during mitosis.

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The classical Darwinian theory of evolution can explain the evolution of adaptive traits only in asexual organisms. The frozen plasticity theory is much more general: It can also explain the origin and evolution of adaptive traits in both asexual and sexual organisms Read more