Friday, 7 July 2017

genetics - Which DNA elements belong to the definition of a gene?



I see a lot of different DNA elements mentioned as part of a gene (talking about eukaryotes):



The length of DNA following the promoter is a gene and it contains the recipe for a protein. (video)



This implies that the promotor is not part of the gene.



enter image description here



This actually defines a gene without enhancers/silencers




enter image description here (source)



Here the gene also includes the enhancers/silencers


Question
Is there an accepted gene definition regarding the DNA elements? Thus which sequences like promotors, enhancers, silencers etc. are considered part of the gene?




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