With regard to the biochemical mechanism, a bottom-up evolution can, for example, proceed by the sequential addition of upstream components that regulate the activity of the transcription factor, resulting in the mechanism that is seen in C. elegans.
With regard to the biochemical mechanism, a bottom-up evolution can, for example, proceed by the sequential addition ofupstream components that regulate the activity of the transcription factor, resulting in the mechanism that is seen in C. elegans.