Article
Strong Purifying Selection in Haploid Tissue-Specific Genes of Scots Pine Supports the Masking Theory.
Molecular biology and evolution - 3 Aug 2023
Cervantes Sandra, Kesälahti Robert, Kumpula Timo A, Mattila Tiina M, Helanterä Heikki, Pyhäjärvi Tanja
Abstract excerpt
The masking theory states that genes expressed in a haploid stage will be under more efficient selection. In contrast, selection will be less efficient in genes expressed in a diploid stage, where the fitness effects of recessive deleterious or beneficial mutations can be hidden from selection in heterozygous form. This difference can influence several evolutionary processes such as the maintenance of genetic...
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