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exon


exons and intron
The region of a gene that contains the code for producing the gene's protein. In other words, an exon is a section of DNA that is both translated and transcribed into a protein. Each exon codes for a specific portion of the complete protein. In some species (including humans), a gene's exons are separated by long regions of DNA called introns, or "junk DNA," that have no apparent function.


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   • GENETICS AND HEREDITY


Source: National Human Genome Research Institute


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