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gene duplication

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
gene duplication [′jēn düp·lə′kā·shən]
(genetics)
The reduction in fitness of a diploid population due to new mutant genes and those already in the gene pool.


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Although little is known about the genetic basis of that diversity, it is clear that gene duplication is commonplace within teleost groups, providing a source of genetic raw material for selection.
gambiae having orthologs (orthologs are genes derived from single ancestral gene in last common ancestor of compared species) and paralogs (paralogous genes develop by gene duplication in the similar lineage) across 33 different taxa.
The large increase in the gene duplication rate continued into the common ancestor of humans and chimpanzees.
 
 
 
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