Enhanced fixation and preservation of a newly arisen duplicate gene by masking deleterious loss-of-function mutations.

Abstract excerpt

Segmental duplications are enriched within many eukaryote genomes, and their potential consequence is gene duplication. While previous theoretical studies of gene duplication have mainly focused on the gene silencing process after fixation, the process leading to fixation is even more important for segmental duplications, because the majority of duplications would be lost before reaching a significant frequency...

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