Proteins such as Dicer and RDE-R are involved in RNAi inactivation of target gene expression and are present in most eukaryotes. However, most eukaryotic cells do not naturally produce double stranded RNA. What is the most likely reason why these genes are evolutionarily retained in most eukaryotes? What are possible consequences of intron retention?

Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter16: Gene Expression
Section: Chapter Questions
Problem 18RQ: IS. Alternative splicing has been estimated to occur in more than 95% of multi-exon genes. Which of...
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Proteins such as Dicer and RDE-R are involved in RNAi inactivation of target gene expression and are present in most eukaryotes. However, most eukaryotic cells do not naturally produce double stranded RNA. What is the most likely reason why these genes are evolutionarily retained in most eukaryotes? What are possible consequences of intron retention?
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