Ontogenesis

Ontogenesis (individual development) is a process, in which originally single-cell zygotes develop into the body of a multicellular organism through complicated developmental processes. In addition to genetic processes, epigenetic processes are also of substantial importance in the development of a multicellular organism.

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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