| Alternative
RNA splicing |
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| • | Shortly
after the discovery of splicing came |
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| the
realization that the exons in some genes |
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| were
not utilized in the same way in every |
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| cell
or stage of development. In other |
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| words
exons could be skipped or added. |
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| This
means that variations of a protein |
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| (called
isoforms) can be produced from the |
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| same
gene. |
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