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370 results for “Diploidization”
Data from: Relationship between genetic distances and postzygotic reproductive isolation in diploid Fragaria (Rosaceae)
Studies of reproductive isolation are important for understanding speciation and species delimitation. We studied seven components of reproductive isolation at different taxonomic and geographical levels and their relationship with genetic distance in diploid Fragaria. Isolation was only evident between different taxa at later stages (post F1 survivorship) not at the earlier ones of fruit and seed set, F1 seed germination and survivorship. Within F. vesca, isolation at the later stages was positively correlated with genetic distance, but this was not found at interspecific levels. The lack of isolation between F. vesca and the other species at the early stages provide the chance for hybrid formation, but high levels of infertility expressed among the offspring can lead to potentially opposing evolutionary outcomes. Within F. vesca, there was evidence of unexpected isolation promoting evolutionary diversification and incipient speciation. Reproductive isolation values between sympatric and allopatric species pairs were similar and indicate a lack of reinforcement in Fragaria. This, combined with the lack of correlation between genetic distance and isolation at interspecific levels shows that genetic distance is not always proportionally correlated with the degree of isolation in plants and suggests that evolutionary processes may be playing differently in plants compared to animals.
Assemblies generated in the paper "phasebook: haplotype-aware de novo assembly of diploid genomes from long reads"
<p>Assemblies generated in the paper "phasebook: haplotype-aware de novo assembly of diploid genomes from long reads"</p>
Fig. 3 in Spined Loache Settlements Structure (Cobitidae) Of The Eastern Ukraine River Systems And Alternative Character Of Diploid And Polyploid Populations
Fig. 3. Distribution of diploid and polyploid loaches due to erythrocyte size in the populations of the Donets and small rivers of the Sea of Azov.
Diploid and haploid assemblies and annotation of monoecious shrub willow (Salix purpurea), clone ID 94003
<p>The Salicaceae are dioecious perennials that utilize different sex determination systems. There is substantial interest in understanding the impacts of hybridization, speciation, and polyploidy on sex chromosome evolution. Here, a rare monoecious <em>S. purpurea</em> genotype, 94003, was assembled. Based on sequence alignments to dioecious and monoecious genomes, a 1.15 Mb sex-linked region on Chr15W was identified as absent in monecious plants. Inheritance of this structural variation is responsible for the loss of a male-suppressing function in what would otherwise be genetic females, resulting in monoecy or lethality, if homozygous.</p>
Diploid and haploid assemblies and annotation of monoecious shrub willow (Salix purpurea), clone ID 94003
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Data from: Does hybridization drive the transition to asexuality in diploid Boechera?
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Data from: Relationship between genetic distances and postzygotic reproductive isolation in diploid Fragaria (Rosaceae)
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Data from: Evolution of haploid–diploid life cycles when haploid and diploid fitnesses are not equal
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Data from: Evolution of haploid selection in predominantly diploid organisms
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Data from: Species tree estimation of diploid Helianthus (Asteraceae) using target enrichment
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Data from: Higher rate of tissue regeneration in polyploid asexual vs. diploid sexual freshwater snails
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Data from: Haploids adapt faster than diploids across a range of environments
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Data from: Queen execution, diploid males, and selection for and against polyandry in the Brazilian stingless bee Scaptotrigona depilis
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Data from: Extensive recombination of a yeast diploid hybrid through meiotic reversion
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Data from: Chasing ghosts: allopolyploid origin of Oxyria sinensis (Polygonaceae) from its only diploid congener and an unknown ancestor
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Data from: Comparisons of reproductive function and fatty acid fillet quality between triploid and diploid farm Atlantic salmon (Salmo salar)
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Data from: Genome sequence of M6, a diploid inbred clone of the high glycoalkaloid-producing tuber-bearing potato species Solanum chacoense, reveals residual heterozygosity
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Haplotype-resolved genome analyses of a heterozygous diploid potato
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Data from: Fixation probability in a haploid-diploid population
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Data from: Multi-speed genome diploidization and diversification after an ancient allopolyploidization
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