Results 11 to 20 of about 14,903 (177)

Phenotypic stasis with genetic divergence [PDF]

open access: yesPeer Community Journal, 2023
Whether or not genetic divergence in the short-term of tens to hundreds of generations is compatible with phenotypic stasis remains a relatively unexplored problem.
Mallard, François   +5 more
doaj   +4 more sources

Bigger Is Fitter? Quantitative Genetic Decomposition of Selection Reveals an Adaptive Evolutionary Decline of Body Mass in a Wild Rodent Population. [PDF]

open access: yesPLoS Biology, 2017
In natural populations, quantitative trait dynamics often do not appear to follow evolutionary predictions. Despite abundant examples of natural selection acting on heritable traits, conclusive evidence for contemporary adaptive evolution remains rare ...
Timothée Bonnet   +3 more
doaj   +5 more sources

Incongruence between morphotypes and genetically delimited species in the coral genus Stylophora: phenotypic plasticity, morphological convergence, morphological stasis or interspecific hybridization? [PDF]

open access: yesBMC Ecology, 2011
Background Morphological data suggest that, unlike most other groups of marine organisms, scleractinian corals of the genus Stylophora are more diverse in the western Indian Ocean and in the Red Sea than in the central Indo-Pacific.
Flot Jean-François   +7 more
doaj   +8 more sources

Evolution of microgastropods (Ellobioidea, Carychiidae): integrating taxonomic, phylogenetic and evolutionary hypotheses [PDF]

open access: yesBMC Evolutionary Biology, 2013
Background Current biodiversity patterns are considered largely the result of past climatic and tectonic changes. In an integrative approach, we combine taxonomic and phylogenetic hypotheses to analyze temporal and geographic diversification of epigean ...
Weigand Alexander M   +5 more
doaj   +3 more sources

Morphological crypsis within a crustacean species complex is driven by within-species phenotypic diversification [PDF]

open access: yesScientific Reports
Cryptic species complexes-genetically divergent lineages with similar phenotypes may appear cryptic not due to true similarity, but because high within-species morphological variation masks interspecies differences, particularly in heterogeneous ...
Jana Kabus   +8 more
doaj   +2 more sources

Phylogenetic comparative analysis of functional morphology sheds light on the evolution of seasonal migration in nightingale-thrushes (Turdidae: Catharus) [PDF]

open access: yesScientific Reports
This study investigates the evolution of locomotory morphology and migratory behavior in nightingale-thrushes (genus Catharus), a clade of songbirds with diverse migratory strategies.
Matthew R. Halley   +3 more
doaj   +2 more sources

Tracking polygenic adaptation: phenotypic stasis after rapid adaptation in large populations of Drosophila

open access: yes
Abstract Most adaptive traits have a polygenic basis, and their evolution in response to environmental change results from the cumulative effect of many underlying loci. Theoretical studies predict two phases of phenotypic evolution: an initial directional phase, characterized by shifts in the mean of the trait towards a new optimum; and a subsequent ...
Ramirez-Lanzas C   +4 more
europepmc   +3 more sources

BuqiTongluo Granule for Ischemic Stroke, Stable Angina Pectoris, Diabetic Peripheral Neuropathy with Qi Deficiency and Blood Stasis Syndrome: Rationale and Novel Basket Design

open access: yesFrontiers in Pharmacology, 2021
Background: BuqiTongluo (BQTL) granules are herbal phenotypic drugs for Qi deficiency and blood stasis (QDBS) syndrome. Its discovery relied primarily on knowledge of observable phenotypic changes associated with diseases.
Weidi Liu   +9 more
doaj   +1 more source

Direct and indirect induction of a compensatory phenotype that alleviates the costs of an inducible defense. [PDF]

open access: yesPLoS ONE, 2007
Organisms often exhibit phenotypic plasticity in multiple traits in response to impending environmental change. Multiple traits phenotypic plasticity is complex syndrome brought on by causal relations in ecological and physiological context.
Tadashi Iwami   +2 more
doaj   +1 more source

Phenotypic integration in flowers of neotropical lianas: diversification of form with stasis of underlying patterns [PDF]

open access: yesJournal of Evolutionary Biology, 2013
AbstractPhenotypic integration is essential to the understanding of organismal evolution as a whole. In this study, a phylogenetic framework is used to assess phenotypic integration among the floral parts of a group of Neotropical lianas. Flowers consist of plant reproductive organs (carpels and stamens), usually surrounded by attractive whorls (petals
S, Alcantara   +2 more
openaire   +2 more sources

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