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Introns are regions of [[DNA|DNA]] which are non-coding. They do not form part of the mature [[MRNA|mRNA]] product and are spliced out during [[Protein|protein]] synthesis. Introns are only found in eukaryotic genes.<ref>Alberts et al. (2008) Molecular Biology Of The Cell, 5th edition, New York: Garland Science.</ref>  
Introns are regions of [[DNA|DNA]] which are non-coding. They do not form part of the mature [[MRNA|mRNA]] product and are spliced out during [[Protein|protein]] synthesis. Introns are only found in eukaryotic genes.<ref>Alberts et al. (2008) Molecular Biology Of The Cell, 5th edition, New York: Garland Science.</ref> They should not be confused with exons which are the coding regions of DNA sequences.


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Revision as of 17:57, 13 November 2011

Introns are regions of DNA which are non-coding. They do not form part of the mature mRNA product and are spliced out during protein synthesis. Introns are only found in eukaryotic genes.[1] They should not be confused with exons which are the coding regions of DNA sequences.


  1. Alberts et al. (2008) Molecular Biology Of The Cell, 5th edition, New York: Garland Science.