REGULATION (Developmental) 5)
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"The sequential activation of a series of regulatory switches that in turn activate networks of other genes" (D. ERWIN et al., 1997, p.133).
This is a very general biological mechanism at the genetic level. The authors state: "Many different classes of regulatory genes share a common DNA sequence known as the homeobox, which predates the origin of animals" and… "In complex organisms the hox cluster specifies the development fate of individual regions within the body, and usually the genes are activated and expressed in the body in the same order as their position in the cluster" (Ibid).
Note: "Hox" is shorthand for "homeobox"
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- 2) Methodology or model
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Bertalanffy Center for the Study of Systems Science(2020).
To cite this page, please use the following information:
Bertalanffy Center for the Study of Systems Science (2020). Title of the entry. In Charles François (Ed.), International Encyclopedia of Systems and Cybernetics (2). Retrieved from www.systemspedia.org/[full/url]
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