I am not sure if there are individual genes for, say, fingers and if so, would such genes be near the genes that affect hand growth? If not "near" in the Euclidean sense, could there be a different metric where genes for associated structures could be considered near?

  • $\begingroup$ There aren’t genes for fingers, and the answer to the question of whether genes for associated functions are physically associated in the genome depends on the organism. You need to research the genetics of limb development before asking this sort of specific question. $\endgroup$ – David Sep 15 '19 at 19:52
  • $\begingroup$ @David: can you suggest links or search terms? I of course did try to search but got only general results. If there is an organism which had this property, can you give me an example? I am not merely interested in limb development but general rules for how the genome is laid out. $\endgroup$ – releseabe Sep 15 '19 at 20:22
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    $\begingroup$ I shouldn’t answer in comments, but if you were hoping there were rules — in anything other than bacteria — I’m afraid you will be disappointed. Try searching for operons and gene clusters. $\endgroup$ – David Sep 15 '19 at 20:28
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    $\begingroup$ en.m.wikipedia.org/wiki/Hox_gene#Colinearity $\endgroup$ – canadianer Sep 15 '19 at 21:44
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    $\begingroup$ @releseabe — Apologies for the "poor", but both on this list and in life I have repeatedly encountered numerical scientists interested in finding problems in biology to apply their skills to. Among the problems that arise are 1. Biology (even the molecular variety) doesn't genearlly follow clean rules, 2. The low-hanging fruit has already been picked, 3. Although biology is intellectually stupid (speaking as an ex-chemist) you need to learn some to understand the problems.(Others on the list will hate me for saying this.) $\endgroup$ – David Sep 16 '19 at 20:25

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