Examples of pseudogene in the following topics:
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- Processes such as mutations, duplications, exon shuffling, transposable elements and pseudogenes have contributed to genomic evolution.
- Often a result of spontaneous mutation, pseudogenes are dysfunctional genes derived from previously functional gene relatives.
- There are many mechanisms by which a functional gene can become a pseudogene including the deletion or insertion of one or multiple nucleotides.
- Often cited examples of pseudogenes within the human genome include the once functional olfactory gene families.
- Over time, many olfactory genes in the human genome became pseudogenes and were no longer able to produce functional proteins, explaining the poor sense of smell humans possess in comparison to their mammalian relatives.
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- M.leprae has lost many once-functional genes over time due to the formation of pseudogenes.
- Thus over time these genes have lost their function through mechanisms such as mutation causing them to become pseudogenes.