Why might bacteria but not eukaryotes have lost their intron

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Question -  According to one feasible evolutionary argument, the common ancestors of  all cells, called progenotes, had intron-rich DNA, as well as ribosomes to translate the genetic information into proteins using the now virtually universal genetic code. From your understanding of gene splicing, what do you think was the selective advantage of these introns, why might bacteria but not eukaryotes have lost their introns?

Reference no: EM131709113

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