In a section of this paper.

However, if the question of independency is posed in the form: “Does each pathway shown define an independent genotype?,” then each of these three pathways is indeed independent. This is the way that MPS defines the independence of pathways.

What does “Does each pathway shown define an independent genotype?,” mean?

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    $\begingroup$ Pathways cannot define a genotype. They are product of the genotype and they define the phenotype. $\endgroup$ – WYSIWYG Jul 17 '15 at 5:00

This is somewhat outside my field, but basically it seems they're defining the independence of the three hypothetical metabolic pathways in two different ways:

  • Mathematically the pathways are not independent since P₃ is a combination of P₁ and P₂.
  • Biologically the pathways are independent since each requires a different combination of enzymes and therefore genes (the genotype). This is the method used in MPS.

Does that answer your question?

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    $\begingroup$ I don't know, the answer you gave seems satisfiable so i would go with it... $\endgroup$ – girl101 Jul 17 '15 at 5:22

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