IGNOU BBCCT 123 2026 - Explain how alternative splicing and RNA editing contribute

Question

Explain how alternative splicing and RNA editing contribute to proteomic diversity in eukaryotes.

09 Feb 2026

Answer :

Word Count : 238

Alternative splicing and RNA editing are crucial mechanisms that increase proteomic diversity in eukaryotes, enabling a single gene to produce multiple protein isoforms. In alternative splicing, the pre-mRNA transcript can be spliced in various ways, where different exons are included or excluded from the final mRNA. This results in the production of different protein variants from a single gene, depending on the specific splicing pattern used. For instance, one exon might be skipped or two exons might be joined,

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