Sexual selection in Arabidopsis thaliana
Mode of natural selection in plants / From Wikipedia, the free encyclopedia
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Sexual selection in Arabidopsis thaliana is a mode of natural selection by which the flowering plant Arabidopsis thaliana selects mates to maximize reproductive success.
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Arabidopsis thaliana is a small flowering land plant in the family Brassicaceae, which is utilized as a model organism for genetic studies.[1] While the plant's genomics are well understood, little is known about sexual selection processes and sex-biased genes in this species. It has been found that these genes associate with the sexually dimorphic traits of males and females, considering that both sexes of a species will have very similar genomes.[2] These genes are preferentially expressed in the different sexes within a species, and tend to provide an accelerated rate of evolution resulting from a specific sex expressing the optimum phenotype to maximize fitness.[2][3] A. thaliana is a self-fertilizing plant without sex chromosomes that is capable of utilizing sex-biased genes to potentially aid in adaptive evolution.[3] There is little knowledge on how sex-biased genes function in A. thaliana's genome.[3]