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thorium1010
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According to this news article , genome analysis has shown that the understanding of what constitutes a gene has to reveiwed and redefined in light of new evidence. Btw there is no junk DNA in our genome.
http://medicalxpress.com/news/2012-09-encode-massive-genome-analysis-gene.html
http://medicalxpress.com/news/2012-09-encode-massive-genome-analysis-gene.html
"We see the boundaries of what were assumed to be the regions between genes shrinking in length," he says, "and genic regions making many overlapping RNAs." It appears, he continues, that the boundaries of conventionally described genes are melding together, challenging the notion that a gene is a discrete, localized region of a genome separated by inert DNA. "New definitions of a gene are needed".