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Alternative Splicing in C. elegans

I am having a hard time understanding the Alternative Splicing that takes place in C. elegans. Can you help? I have read articles on the internet but they don't make sense to me so I was wondering if you can make associations along the way so I can understand. Thanks

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The genetic basis of proteins is the gene that is composed of exons (protein coding regions) and introns (non-coding region). The first step in making a protein is transcribed into RNA. This RNA is spliced to remove non-coding segments and add a methylguanosine-cap and polyadenosine tail. This mRNA can then be translated into protein. In the case of alternative splicing the normal conmbination of exons is shuffled with some exons being left out to create a ...

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Several paragraphs with web references examining alternative splicing in C. elegans.