I need to know what gene splicing means
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Gene splicing in the process of removing the introns from the RNA transcript. This is considered a post transcription modification.  The exons are the portions of the transcript that will be translated into a working protein. Exons can be spliced in alternative variations.  This means that one gene can result in multiple proteins.

For example if a gene contains 3 exons that gene could produce several combinations of proteins depending upon the order of splicing

variation 1 - 1-2-3

variation 2 - 3-2-1

variation 3 - 1-3-2

variation 4 - 2-3-1

This makes the one gene----->one protein model much more complicated and ultimately false.
by Level 3 User (8.5k points)

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