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Does Junk DNA = Intron DNA?

April 26, 2017bbs dna forum JUNK science discussion boards science forum sciforums

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Does Junk DNA = Intron DNA?

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Actually that statement is wrong. Intron is derived from “intragenic region” and refers to stretches within a gene that are not translated. Junk DNA, however, refers to any region of DNA (especially outside of genes) with unknown function, a definition that is more and more revised nowadays. Also it is wrong to assume that introns are junk DNA. While introns do not code proteins, they still may possess certain functions, including for instance (but not limited to) splicing events. Also I would be often careful if someone (especially online) uses phrases like “for us scientists”.