Selection-mutation balance in polysomic tetraploids: impact of double reduction and gametophytic selection on the frequency and subchromosomal localization of deleterious mutations.
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The model evaluated deleterious mutations in tetraploids under double reduction and selfing. Double reduction lowers deleterious allele frequencies, impacting gametophytic selection more than sporophytic. Loci near the centromere accumulate more mutations, being critical for inbreeding depression.
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Tetraploide, Heterose, Tetraploids, Genética, genetics, heterosis